last executing test programs: 15.822767811s ago: executing program 2 (id=3): socket$netlink(0x10, 0x3, 0x10) syz_mount_image$btrfs(&(0x7f00000055c0), &(0x7f0000000440)='./file0\x00', 0x300000a, &(0x7f0000000740)={[{@nodatacow}, {@datasum}, {@nodiscard}, {@clear_cache}, {@ssd_spread}, {@discard_sync}, {@treelog}, {@thread_pool={'thread_pool', 0x3d, 0x8}}, {@flushoncommit}, {@ssd_spread}, {@ssd_spread}, {@nossd}]}, 0x3, 0x55a3, 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r1 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) ioctl$FITRIM(r1, 0xc4009420, &(0x7f0000000180)={0x5, 0x10000}) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000003c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x3, {{@in6=@private2, @in6=@empty, 0x0, 0x3, 0x0, 0x0, 0xa, 0x0, 0x0, 0x5e}, {0x0, 0x800, 0x0, 0x7, 0x0, 0x0, 0x3, 0x7}, {0x0, 0x0, 0x3}}}, 0xb8}}, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000c00), 0x0, 0x0) rename(0x0, 0x0) r2 = creat(&(0x7f0000000380)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x4000) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r3, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030003, 0x2, 0x1, 0xfff0, r2, &(0x7f0000000000), 0x100000}]) r4 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200) ioctl$LOOP_SET_STATUS(r4, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0x4, 0x100005, 0x0, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0xa, 0x3a]}) fsconfig$FSCONFIG_CMD_RECONFIGURE(r0, 0x7, 0x0, 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)={0x30, r6, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0x1c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @local}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x6}]}]}, 0x30}, 0x1, 0x0, 0x0, 0xaa34a4cfdf933201}, 0x10) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r7) r8 = socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r7, &(0x7f0000000040)={0xa, 0x4e22, 0x8, @empty, 0x2}, 0x1c) listen(r8, 0x6f6) r9 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r9, &(0x7f0000000000)={0x2, 0x4e22, @local}, 0x10) 15.03518598s ago: executing program 0 (id=1): r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./myconfig/usb_gadget/g1/functions/SourceSink.0/pattern\x00', 0x1, 0x0) write$binfmt_misc(r0, &(0x7f0000000140)="5dfc96424a", 0x5) 14.873657274s ago: executing program 0 (id=6): mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x8000, 0x10103) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000002080)='./file0\x00', &(0x7f0000000000), 0x1000000, &(0x7f0000000380)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}}) syz_fuse_handle_req(r0, &(0x7f0000004a00)="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0x2000, &(0x7f0000007a80)={&(0x7f0000000080)={0x50, 0x0, 0x7, {0x7, 0x29, 0x1000, 0x24ff871989b45d65, 0xe87, 0x9, 0xb, 0x5, 0x0, 0x0, 0x2, 0x3}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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0x2000, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000fc0)={0x78, 0x0, 0x9, {0x3, 0x8, 0x0, {0x4, 0x9, 0xfffffffffffffffe, 0x9, 0x8, 0x4000c6e, 0x2, 0x45, 0x9, 0x1000, 0xfeff7ff8, 0xffffffffffffffff, 0x0, 0x627e, 0x6}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000001c0)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4008054}}, {{&(0x7f00000000c0)=@file={0x1, './file0\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x400400c0}}], 0x2, 0x0) 14.762883047s ago: executing program 3 (id=4): r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$clear(0x7, r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dbg\x00', 0x1ff) sendmsg$kcm(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000400)}, 0x8800) mount(0x0, &(0x7f0000000000)='./dbg\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f00000000c0)='N\x00', 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./dbg/failslab/times\x00', 0x1, 0x0) setsockopt$XDP_RX_RING(0xffffffffffffffff, 0x11b, 0x2, &(0x7f0000000680)=0x1130581, 0x4) write(r1, &(0x7f0000000140)='1000\x00', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dbg/failslab/space\x00', 0x8001, 0xc1) write(r2, &(0x7f00000001c0)='0\x00', 0x1) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dbg/failslab/probability\x00', 0x1, 0x0) write(r4, &(0x7f0000000280)='1\x00', 0x1) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) unshare(0xa000400) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000040)='./bus\x00', 0x0, &(0x7f00000001c0)={[{@resgid}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@oldalloc}]}, 0x1, 0x400, &(0x7f0000000280)="$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") openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) syz_mount_image$fuse(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) r5 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000280)={@mcast2, 0x800, 0x0, 0x103, 0x1}, 0x20) unshare(0x44040000) 2.620652705s ago: executing program 0 (id=7): r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0x2, 0x4) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000000080)=0x1, 0x4) bind$rds(r0, &(0x7f0000000100)={0x2, 0x4e29, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2, 0x4e21, @local}, 0x10, &(0x7f0000000200)=[{&(0x7f0000000300)=""/4, 0x1a000}], 0x1, &(0x7f0000000400)=[@zcopy_cookie={0x18, 0x114, 0xc, 0x42}], 0x18}, 0x4000000) openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0) socket$kcm(0x2, 0xa, 0x2) socket$inet_sctp(0x2, 0x1, 0x84) socket$nl_netfilter(0x10, 0x3, 0xc) socket(0x40000000015, 0x5, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x40, &(0x7f00000001c0)={0x3f, 0x0, 0x4, 0xfffffffffffffffd, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0x0, 0x0, 0x0) 0s ago: executing program 32 (id=3): socket$netlink(0x10, 0x3, 0x10) syz_mount_image$btrfs(&(0x7f00000055c0), &(0x7f0000000440)='./file0\x00', 0x300000a, &(0x7f0000000740)={[{@nodatacow}, {@datasum}, {@nodiscard}, {@clear_cache}, {@ssd_spread}, {@discard_sync}, {@treelog}, {@thread_pool={'thread_pool', 0x3d, 0x8}}, {@flushoncommit}, {@ssd_spread}, {@ssd_spread}, {@nossd}]}, 0x3, 0x55a3, 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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqwg4cCAAAAAAA+b82QlVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV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r1 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) ioctl$FITRIM(r1, 0xc4009420, &(0x7f0000000180)={0x5, 0x10000}) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000003c0)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x3, {{@in6=@private2, @in6=@empty, 0x0, 0x3, 0x0, 0x0, 0xa, 0x0, 0x0, 0x5e}, {0x0, 0x800, 0x0, 0x7, 0x0, 0x0, 0x3, 0x7}, {0x0, 0x0, 0x3}}}, 0xb8}}, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000c00), 0x0, 0x0) rename(0x0, 0x0) r2 = creat(&(0x7f0000000380)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x4000) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r3, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0xe7030003, 0x2, 0x1, 0xfff0, r2, &(0x7f0000000000), 0x100000}]) r4 = syz_open_dev$loop(&(0x7f0000000580), 0x0, 0x20200) ioctl$LOOP_SET_STATUS(r4, 0x4c02, &(0x7f0000000240)={0x0, {}, 0x0, {}, 0x40000202, 0x4, 0x100005, 0x0, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed9d5f8643902dd8f6fac274de9d940ffa5e592bbd48685450d00002000", "f625c14dc8df6aa3a893ecf2a0c5f5f09163c400", [0xa, 0x3a]}) fsconfig$FSCONFIG_CMD_RECONFIGURE(r0, 0x7, 0x0, 0x0, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)={0x30, r6, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0x1c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @local}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x6}]}]}, 0x30}, 0x1, 0x0, 0x0, 0xaa34a4cfdf933201}, 0x10) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r7) r8 = socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r7, &(0x7f0000000040)={0xa, 0x4e22, 0x8, @empty, 0x2}, 0x1c) listen(r8, 0x6f6) r9 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r9, &(0x7f0000000000)={0x2, 0x4e22, @local}, 0x10) kernel console output (not intermixed with test programs): umber_perm+0x5f7/0x6b0 [ 82.441508][ C1] ? blkdev_bszset+0x200/0x200 [ 82.446311][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 82.451745][ C1] ? lo_release+0x1f0/0x1f0 [ 82.456272][ C1] blkdev_ioctl+0x347/0x6f0 [ 82.460967][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 82.466646][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 82.472688][ C1] ? lock_chain_count+0x20/0x20 [ 82.477566][ C1] ? blkdev_iopoll+0x100/0x100 [ 82.482628][ C1] block_ioctl+0xac/0xf0 [ 82.486949][ C1] __se_sys_ioctl+0xfa/0x170 [ 82.491585][ C1] do_syscall_64+0x4c/0xa0 [ 82.496034][ C1] ? clear_bhb_loop+0x30/0x80 [ 82.501269][ C1] ? clear_bhb_loop+0x30/0x80 [ 82.506174][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 82.512269][ C1] RIP: 0033:0x7f466a646b2b [ 82.516808][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 82.536639][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.546019][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 82.554034][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 82.562318][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 82.570416][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 82.579350][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 82.587624][ C1] [ 82.590978][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 82.595394][ C1] FAULT_INJECTION: forcing a failure. [ 82.595394][ C1] name failslab, interval 1, probability 1, space 0, times 989 [ 82.598422][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.622007][ C0] Call Trace: [ 82.625317][ C0] [ 82.628272][ C0] dump_stack_lvl+0x188/0x250 [ 82.632978][ C0] ? verify_lock_unused+0x140/0x140 [ 82.638465][ C0] ? show_regs_print_info+0x20/0x20 [ 82.643787][ C0] ? load_image+0x410/0x410 [ 82.648316][ C0] ? __lock_acquire+0x1305/0x7b50 [ 82.653368][ C0] ? prandom_u32+0x217/0x250 [ 82.658304][ C0] should_fail+0x383/0x4b0 [ 82.662829][ C0] should_failslab+0x5/0x20 [ 82.667368][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 82.672563][ C0] ? dst_alloc+0x101/0x160 [ 82.677505][ C0] kmem_cache_alloc+0x3d/0x280 [ 82.682411][ C0] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 82.688083][ C0] dst_alloc+0x101/0x160 [ 82.692791][ C0] icmp6_dst_alloc+0x7e/0x470 [ 82.697543][ C0] ? icmpv6_flow_init+0x5e/0x120 [ 82.702618][ C0] ndisc_send_skb+0x3d1/0x1410 [ 82.707579][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 82.712584][ C0] ? ndisc_send_rs+0x524/0x700 [ 82.717410][ C0] addrconf_rs_timer+0x367/0x640 [ 82.722382][ C0] ? detach_timer+0x33/0x2b0 [ 82.727091][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 82.733187][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 82.739273][ C0] call_timer_fn+0x17b/0x540 [ 82.743888][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 82.749994][ C0] ? __run_timers+0x810/0x810 [ 82.754707][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 82.759934][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 82.765174][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 82.772655][ C0] __run_timers+0x56c/0x810 [ 82.777933][ C0] ? lock_chain_count+0x20/0x20 [ 82.783276][ C0] ? detach_timer+0x2b0/0x2b0 [ 82.787995][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 82.794129][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 82.799642][ C0] run_timer_softirq+0x63/0xf0 [ 82.804463][ C0] handle_softirqs+0x336/0x830 [ 82.809312][ C0] ? run_ksoftirqd+0xa4/0x100 [ 82.814135][ C0] ? do_softirq+0x210/0x210 [ 82.818740][ C0] ? run_ksoftirqd+0x81/0x100 [ 82.823456][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 82.829076][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 82.834423][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 82.839650][ C0] run_ksoftirqd+0xa4/0x100 [ 82.844684][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 82.850024][ C0] smpboot_thread_fn+0x520/0x990 [ 82.855018][ C0] kthread+0x42e/0x520 [ 82.859116][ C0] ? cpu_report_death+0x180/0x180 [ 82.864224][ C0] ? kthread_blkcg+0xd0/0xd0 [ 82.869209][ C0] ret_from_fork+0x1f/0x30 [ 82.873799][ C0] [ 82.876842][ C1] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 82.882294][ C0] FAULT_INJECTION: forcing a failure. [ 82.882294][ C0] name failslab, interval 1, probability 1, space 0, times 988 [ 82.884266][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 82.907155][ C1] Call Trace: [ 82.910461][ C1] [ 82.913330][ C1] dump_stack_lvl+0x188/0x250 [ 82.918201][ C1] ? show_regs_print_info+0x20/0x20 [ 82.923711][ C1] ? load_image+0x410/0x410 [ 82.928282][ C1] should_fail+0x383/0x4b0 [ 82.932745][ C1] should_failslab+0x5/0x20 [ 82.937349][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 82.942351][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 82.948133][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 82.953009][ C1] ? __alloc_skb+0xf4/0x750 [ 82.957540][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 82.962419][ C1] __alloc_skb+0x22c/0x750 [ 82.967134][ C1] ndisc_alloc_skb+0xa6/0x420 [ 82.971858][ C1] ndisc_send_rs+0x271/0x700 [ 82.976576][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 82.981634][ C1] addrconf_rs_timer+0x367/0x640 [ 82.987288][ C1] ? detach_timer+0x33/0x2b0 [ 82.992024][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 82.998129][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.004306][ C1] call_timer_fn+0x17b/0x540 [ 83.008920][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.015058][ C1] ? __run_timers+0x810/0x810 [ 83.019882][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 83.025146][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 83.030377][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.036478][ C1] __run_timers+0x56c/0x810 [ 83.041020][ C1] ? detach_timer+0x2b0/0x2b0 [ 83.045713][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.052181][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 83.057323][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 83.064036][ C1] run_timer_softirq+0x63/0xf0 [ 83.068858][ C1] handle_softirqs+0x336/0x830 [ 83.073671][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 83.078825][ C1] ? do_softirq+0x210/0x210 [ 83.083449][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 83.088608][ C1] __irq_exit_rcu+0x13b/0x230 [ 83.093489][ C1] ? irq_exit_rcu+0x20/0x20 [ 83.098475][ C1] irq_exit_rcu+0x5/0x20 [ 83.103047][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 83.109135][ C1] [ 83.112194][ C1] [ 83.115160][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 83.121859][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 83.128297][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 83.148608][ C1] RSP: 0018:ffffc900031eed58 EFLAGS: 00000287 [ 83.154883][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: 0000000000080000 [ 83.163246][ C1] RDX: ffffc9000f00d000 RSI: 00000000000132ce RDI: ffffffff8c1fb700 [ 83.171578][ C1] RBP: ffffc900031eee60 R08: 0000000000000003 R09: 0000000000000004 [ 83.179597][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 83.187610][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200063ddb0 [ 83.196046][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 83.201728][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 83.207560][ C1] dump_stack_lvl+0x161/0x250 [ 83.212699][ C1] ? show_regs_print_info+0x20/0x20 [ 83.217952][ C1] ? load_image+0x410/0x410 [ 83.222840][ C1] ? prandom_u32+0x217/0x250 [ 83.227692][ C1] should_fail+0x383/0x4b0 [ 83.232865][ C1] should_failslab+0x5/0x20 [ 83.237510][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 83.242589][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 83.247849][ C1] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 83.253367][ C1] alloc_unbound_pwq+0x8a4/0xdf0 [ 83.258442][ C1] apply_wqattrs_prepare+0x382/0xad0 [ 83.263803][ C1] apply_workqueue_attrs+0xd0/0x170 [ 83.269057][ C1] alloc_workqueue+0xe9f/0x1450 [ 83.274128][ C1] ? apply_workqueue_attrs+0x170/0x170 [ 83.279628][ C1] ? loop_set_status_from_info+0x2ff/0x7a0 [ 83.285465][ C1] ? memcpy+0x3c/0x60 [ 83.289654][ C1] loop_configure+0x5bc/0x1480 [ 83.294693][ C1] lo_ioctl+0x2e1/0x20e0 [ 83.299011][ C1] ? verify_lock_unused+0x140/0x140 [ 83.304511][ C1] ? lo_release+0x1f0/0x1f0 [ 83.309041][ C1] ? verify_lock_unused+0x140/0x140 [ 83.314359][ C1] ? verify_lock_unused+0x140/0x140 [ 83.319627][ C1] ? rcu_lock_release+0x5/0x20 [ 83.324779][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 83.329869][ C1] ? unwind_next_frame+0x11ec/0x1cf0 [ 83.335201][ C1] ? is_bpf_text_address+0x254/0x270 [ 83.340544][ C1] ? __kernel_text_address+0x9a/0x100 [ 83.346041][ C1] ? unwind_get_return_address+0x49/0x80 [ 83.351713][ C1] ? stack_trace_save+0xf0/0xf0 [ 83.356671][ C1] ? arch_stack_walk+0xf2/0x140 [ 83.361575][ C1] ? kfree+0xef/0x2a0 [ 83.365578][ C1] ? stack_trace_save+0xa6/0xf0 [ 83.370472][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 83.375628][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 83.381326][ C1] ? security_file_ioctl+0x6c/0xa0 [ 83.386473][ C1] ? __se_sys_ioctl+0x48/0x170 [ 83.391258][ C1] ? do_syscall_64+0x4c/0xa0 [ 83.396094][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.402210][ C1] ? kfree+0xef/0x2a0 [ 83.406236][ C1] ? kasan_set_track+0x62/0x70 [ 83.411034][ C1] ? kasan_set_track+0x4b/0x70 [ 83.415821][ C1] ? kasan_set_free_info+0x1f/0x40 [ 83.420959][ C1] ? ____kasan_slab_free+0xd5/0x110 [ 83.426186][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 83.431763][ C1] ? kfree+0xef/0x2a0 [ 83.435785][ C1] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 83.441463][ C1] ? security_file_ioctl+0x6c/0xa0 [ 83.446624][ C1] ? __se_sys_ioctl+0x48/0x170 [ 83.451420][ C1] ? do_syscall_64+0x4c/0xa0 [ 83.456037][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.462536][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.468576][ C1] ? lock_chain_count+0x20/0x20 [ 83.473638][ C1] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 83.478660][ C1] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 83.484058][ C1] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 83.489721][ C1] ? blkdev_bszset+0x200/0x200 [ 83.494517][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 83.499851][ C1] ? lo_release+0x1f0/0x1f0 [ 83.504553][ C1] blkdev_ioctl+0x347/0x6f0 [ 83.509081][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 83.514556][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.521710][ C1] ? lock_chain_count+0x20/0x20 [ 83.527042][ C1] ? blkdev_iopoll+0x100/0x100 [ 83.531863][ C1] block_ioctl+0xac/0xf0 [ 83.536225][ C1] __se_sys_ioctl+0xfa/0x170 [ 83.540863][ C1] do_syscall_64+0x4c/0xa0 [ 83.545851][ C1] ? clear_bhb_loop+0x30/0x80 [ 83.550820][ C1] ? clear_bhb_loop+0x30/0x80 [ 83.555536][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.561454][ C1] RIP: 0033:0x7f466a646b2b [ 83.565892][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 83.585539][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.594339][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 83.602555][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 83.612254][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.620713][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 83.628984][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 83.637013][ C1] [ 83.640206][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 83.647641][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.647938][ C1] FAULT_INJECTION: forcing a failure. [ 83.647938][ C1] name failslab, interval 1, probability 1, space 0, times 987 [ 83.659447][ C0] Call Trace: [ 83.659466][ C0] [ 83.659476][ C0] dump_stack_lvl+0x188/0x250 [ 83.659506][ C0] ? verify_lock_unused+0x140/0x140 [ 83.691102][ C0] ? show_regs_print_info+0x20/0x20 [ 83.696469][ C0] ? load_image+0x410/0x410 [ 83.701468][ C0] ? prandom_u32+0x217/0x250 [ 83.706106][ C0] should_fail+0x383/0x4b0 [ 83.710881][ C0] should_failslab+0x5/0x20 [ 83.715633][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 83.720807][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 83.726100][ C0] ? __alloc_skb+0xf4/0x750 [ 83.730689][ C0] __alloc_skb+0xf4/0x750 [ 83.735845][ C0] ndisc_alloc_skb+0xa6/0x420 [ 83.740667][ C0] ndisc_send_rs+0x271/0x700 [ 83.745312][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 83.750288][ C0] addrconf_rs_timer+0x367/0x640 [ 83.755911][ C0] ? detach_timer+0x33/0x2b0 [ 83.760978][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.767621][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.773967][ C0] call_timer_fn+0x17b/0x540 [ 83.778606][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.784807][ C0] ? __run_timers+0x810/0x810 [ 83.790053][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 83.795364][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 83.800591][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 83.806675][ C0] __run_timers+0x56c/0x810 [ 83.811221][ C0] ? lock_chain_count+0x20/0x20 [ 83.816106][ C0] ? detach_timer+0x2b0/0x2b0 [ 83.821004][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 83.827021][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 83.831988][ C0] run_timer_softirq+0x63/0xf0 [ 83.836776][ C0] handle_softirqs+0x336/0x830 [ 83.841569][ C0] ? run_ksoftirqd+0xa4/0x100 [ 83.846265][ C0] ? do_softirq+0x210/0x210 [ 83.850961][ C0] ? run_ksoftirqd+0x81/0x100 [ 83.855669][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 83.861270][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 83.866719][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 83.871957][ C0] run_ksoftirqd+0xa4/0x100 [ 83.876603][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 83.881967][ C0] smpboot_thread_fn+0x520/0x990 [ 83.887660][ C0] kthread+0x42e/0x520 [ 83.892488][ C0] ? cpu_report_death+0x180/0x180 [ 83.897572][ C0] ? kthread_blkcg+0xd0/0xd0 [ 83.902306][ C0] ret_from_fork+0x1f/0x30 [ 83.906768][ C0] [ 83.909803][ C1] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 83.916961][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 83.927087][ C1] Call Trace: [ 83.930400][ C1] [ 83.933571][ C1] dump_stack_lvl+0x188/0x250 [ 83.938399][ C1] ? verify_lock_unused+0x140/0x140 [ 83.941029][ T144] FAULT_INJECTION: forcing a failure. [ 83.941029][ T144] name failslab, interval 1, probability 1, space 0, times 986 [ 83.943656][ C1] ? show_regs_print_info+0x20/0x20 [ 83.956797][ T31] FAULT_INJECTION: forcing a failure. [ 83.956797][ T31] name failslab, interval 1, probability 1, space 0, times 986 [ 83.962249][ C1] ? load_image+0x410/0x410 [ 83.979680][ C1] ? prandom_u32+0x217/0x250 [ 83.984796][ C1] should_fail+0x383/0x4b0 [ 83.988757][ T9] FAULT_INJECTION: forcing a failure. [ 83.988757][ T9] name failslab, interval 1, probability 1, space 0, times 986 [ 83.989315][ C1] should_failslab+0x5/0x20 [ 83.989343][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 84.006752][ T3549] FAULT_INJECTION: forcing a failure. [ 84.006752][ T3549] name failslab, interval 1, probability 1, space 0, times 986 [ 84.007008][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 84.030060][ C1] ? __alloc_skb+0xf4/0x750 [ 84.034603][ C1] __alloc_skb+0xf4/0x750 [ 84.039047][ C1] ndisc_alloc_skb+0xa6/0x420 [ 84.043765][ C1] ndisc_send_rs+0x271/0x700 [ 84.046008][ T4267] FAULT_INJECTION: forcing a failure. [ 84.046008][ T4267] name failslab, interval 1, probability 1, space 0, times 986 [ 84.048386][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 84.066194][ C1] addrconf_rs_timer+0x367/0x640 [ 84.071169][ C1] ? detach_timer+0x33/0x2b0 [ 84.075786][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.081911][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.088094][ C1] call_timer_fn+0x17b/0x540 [ 84.092711][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.098851][ C1] ? __run_timers+0x810/0x810 [ 84.103572][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.108911][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 84.114265][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.120399][ C1] __run_timers+0x56c/0x810 [ 84.124977][ C1] ? detach_timer+0x2b0/0x2b0 [ 84.129803][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.135862][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 84.141499][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 84.148084][ C1] run_timer_softirq+0x63/0xf0 [ 84.152971][ C1] handle_softirqs+0x336/0x830 [ 84.157860][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 84.162757][ C1] ? do_softirq+0x210/0x210 [ 84.167292][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 84.172455][ C1] __irq_exit_rcu+0x13b/0x230 [ 84.177170][ C1] ? irq_exit_rcu+0x20/0x20 [ 84.181719][ C1] irq_exit_rcu+0x5/0x20 [ 84.186253][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 84.191923][ C1] [ 84.194979][ C1] [ 84.197950][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 84.204051][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 84.210249][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 84.229895][ C1] RSP: 0018:ffffc900031eed58 EFLAGS: 00000287 [ 84.236554][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: 0000000000080000 [ 84.244719][ C1] RDX: ffffc9000f00d000 RSI: 00000000000132ce RDI: ffffffff8c1fb700 [ 84.252790][ C1] RBP: ffffc900031eee60 R08: 0000000000000003 R09: 0000000000000004 [ 84.261624][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 84.269823][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200063ddb0 [ 84.277950][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 84.283622][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 84.289272][ C1] dump_stack_lvl+0x161/0x250 [ 84.294093][ C1] ? show_regs_print_info+0x20/0x20 [ 84.299312][ C1] ? load_image+0x410/0x410 [ 84.303849][ C1] ? prandom_u32+0x217/0x250 [ 84.308565][ C1] should_fail+0x383/0x4b0 [ 84.313005][ C1] should_failslab+0x5/0x20 [ 84.317558][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 84.322518][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 84.327739][ C1] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 84.332883][ C1] alloc_unbound_pwq+0x8a4/0xdf0 [ 84.337856][ C1] apply_wqattrs_prepare+0x382/0xad0 [ 84.343188][ C1] apply_workqueue_attrs+0xd0/0x170 [ 84.348465][ C1] alloc_workqueue+0xe9f/0x1450 [ 84.353382][ C1] ? apply_workqueue_attrs+0x170/0x170 [ 84.358871][ C1] ? loop_set_status_from_info+0x2ff/0x7a0 [ 84.364715][ C1] ? memcpy+0x3c/0x60 [ 84.368823][ C1] loop_configure+0x5bc/0x1480 [ 84.373636][ C1] lo_ioctl+0x2e1/0x20e0 [ 84.377914][ C1] ? verify_lock_unused+0x140/0x140 [ 84.383314][ C1] ? lo_release+0x1f0/0x1f0 [ 84.387862][ C1] ? verify_lock_unused+0x140/0x140 [ 84.393111][ C1] ? verify_lock_unused+0x140/0x140 [ 84.398634][ C1] ? rcu_lock_release+0x5/0x20 [ 84.403641][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 84.408735][ C1] ? unwind_next_frame+0x11ec/0x1cf0 [ 84.414078][ C1] ? is_bpf_text_address+0x254/0x270 [ 84.419397][ C1] ? __kernel_text_address+0x9a/0x100 [ 84.424894][ C1] ? unwind_get_return_address+0x49/0x80 [ 84.430694][ C1] ? stack_trace_save+0xf0/0xf0 [ 84.435782][ C1] ? arch_stack_walk+0xf2/0x140 [ 84.440683][ C1] ? kfree+0xef/0x2a0 [ 84.445304][ C1] ? stack_trace_save+0xa6/0xf0 [ 84.450183][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 84.455316][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 84.460915][ C1] ? security_file_ioctl+0x6c/0xa0 [ 84.466053][ C1] ? __se_sys_ioctl+0x48/0x170 [ 84.470861][ C1] ? do_syscall_64+0x4c/0xa0 [ 84.475501][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.481702][ C1] ? kfree+0xef/0x2a0 [ 84.485722][ C1] ? kasan_set_track+0x62/0x70 [ 84.490528][ C1] ? kasan_set_track+0x4b/0x70 [ 84.495318][ C1] ? kasan_set_free_info+0x1f/0x40 [ 84.500459][ C1] ? ____kasan_slab_free+0xd5/0x110 [ 84.505705][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 84.511295][ C1] ? kfree+0xef/0x2a0 [ 84.515310][ C1] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 84.520999][ C1] ? security_file_ioctl+0x6c/0xa0 [ 84.526310][ C1] ? __se_sys_ioctl+0x48/0x170 [ 84.531112][ C1] ? do_syscall_64+0x4c/0xa0 [ 84.535751][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.541950][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.548137][ C1] ? lock_chain_count+0x20/0x20 [ 84.553100][ C1] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 84.557985][ C1] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 84.563372][ C1] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 84.569023][ C1] ? blkdev_bszset+0x200/0x200 [ 84.573805][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 84.579210][ C1] ? lo_release+0x1f0/0x1f0 [ 84.583758][ C1] blkdev_ioctl+0x347/0x6f0 [ 84.588279][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 84.593751][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.599745][ C1] ? lock_chain_count+0x20/0x20 [ 84.604628][ C1] ? blkdev_iopoll+0x100/0x100 [ 84.609436][ C1] block_ioctl+0xac/0xf0 [ 84.613738][ C1] __se_sys_ioctl+0xfa/0x170 [ 84.618462][ C1] do_syscall_64+0x4c/0xa0 [ 84.622907][ C1] ? clear_bhb_loop+0x30/0x80 [ 84.627609][ C1] ? clear_bhb_loop+0x30/0x80 [ 84.632431][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.638587][ C1] RIP: 0033:0x7f466a646b2b [ 84.643042][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 84.663322][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.672279][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 84.680389][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 84.689030][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 84.697157][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 84.705703][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 84.713735][ C1] [ 84.718047][ C1] FAULT_INJECTION: forcing a failure. [ 84.718047][ C1] name failslab, interval 1, probability 1, space 0, times 985 [ 84.727511][ T4188] FAULT_INJECTION: forcing a failure. [ 84.727511][ T4188] name failslab, interval 1, probability 1, space 0, times 985 [ 84.731045][ C1] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 84.751263][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 84.761808][ C1] Call Trace: [ 84.765116][ C1] [ 84.767982][ C1] dump_stack_lvl+0x188/0x250 [ 84.772710][ C1] ? show_regs_print_info+0x20/0x20 [ 84.777942][ C1] ? load_image+0x410/0x410 [ 84.782492][ C1] ? prandom_u32+0x217/0x250 [ 84.787195][ C1] should_fail+0x383/0x4b0 [ 84.791725][ C1] should_failslab+0x5/0x20 [ 84.796248][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 84.801211][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 84.806434][ C1] ? __alloc_skb+0xf4/0x750 [ 84.810970][ C1] __alloc_skb+0xf4/0x750 [ 84.815341][ C1] ndisc_alloc_skb+0xa6/0x420 [ 84.820049][ C1] ndisc_send_rs+0x271/0x700 [ 84.824777][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 84.829771][ C1] addrconf_rs_timer+0x367/0x640 [ 84.834757][ C1] ? detach_timer+0x33/0x2b0 [ 84.839388][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.845861][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.851962][ C1] call_timer_fn+0x17b/0x540 [ 84.856573][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.862807][ C1] ? __run_timers+0x810/0x810 [ 84.867547][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 84.872785][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 84.878026][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 84.884160][ C1] __run_timers+0x56c/0x810 [ 84.888716][ C1] ? detach_timer+0x2b0/0x2b0 [ 84.893688][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 84.899845][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 84.904834][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 84.911133][ C1] run_timer_softirq+0x63/0xf0 [ 84.915928][ C1] handle_softirqs+0x336/0x830 [ 84.920730][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 84.925629][ C1] ? do_softirq+0x210/0x210 [ 84.930236][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 84.935383][ C1] __irq_exit_rcu+0x13b/0x230 [ 84.940079][ C1] ? irq_exit_rcu+0x20/0x20 [ 84.945311][ C1] irq_exit_rcu+0x5/0x20 [ 84.949887][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 84.955548][ C1] [ 84.958662][ C1] [ 84.961661][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 84.968075][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 84.974278][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 84.994134][ C1] RSP: 0018:ffffc900031eed58 EFLAGS: 00000287 [ 85.000242][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: 0000000000080000 [ 85.008690][ C1] RDX: ffffc9000f00d000 RSI: 00000000000132ce RDI: ffffffff8c1fb700 [ 85.016844][ C1] RBP: ffffc900031eee60 R08: 0000000000000003 R09: 0000000000000004 [ 85.024856][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 85.032853][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200063ddb0 [ 85.040849][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 85.046513][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 85.052166][ C1] dump_stack_lvl+0x161/0x250 [ 85.056964][ C1] ? show_regs_print_info+0x20/0x20 [ 85.062215][ C1] ? load_image+0x410/0x410 [ 85.066781][ C1] ? prandom_u32+0x217/0x250 [ 85.071408][ C1] should_fail+0x383/0x4b0 [ 85.075942][ C1] should_failslab+0x5/0x20 [ 85.080752][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 85.086009][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 85.092343][ C1] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 85.097696][ C1] alloc_unbound_pwq+0x8a4/0xdf0 [ 85.103340][ C1] apply_wqattrs_prepare+0x382/0xad0 [ 85.108921][ C1] apply_workqueue_attrs+0xd0/0x170 [ 85.114160][ C1] alloc_workqueue+0xe9f/0x1450 [ 85.119068][ C1] ? apply_workqueue_attrs+0x170/0x170 [ 85.125101][ C1] ? loop_set_status_from_info+0x2ff/0x7a0 [ 85.131053][ C1] ? memcpy+0x3c/0x60 [ 85.135073][ C1] loop_configure+0x5bc/0x1480 [ 85.140114][ C1] lo_ioctl+0x2e1/0x20e0 [ 85.144400][ C1] ? verify_lock_unused+0x140/0x140 [ 85.149932][ C1] ? lo_release+0x1f0/0x1f0 [ 85.154660][ C1] ? verify_lock_unused+0x140/0x140 [ 85.160526][ C1] ? verify_lock_unused+0x140/0x140 [ 85.166049][ C1] ? rcu_lock_release+0x5/0x20 [ 85.171276][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 85.176401][ C1] ? unwind_next_frame+0x11ec/0x1cf0 [ 85.182071][ C1] ? is_bpf_text_address+0x254/0x270 [ 85.188005][ C1] ? __kernel_text_address+0x9a/0x100 [ 85.193970][ C1] ? unwind_get_return_address+0x49/0x80 [ 85.199797][ C1] ? stack_trace_save+0xf0/0xf0 [ 85.204920][ C1] ? arch_stack_walk+0xf2/0x140 [ 85.210052][ C1] ? kfree+0xef/0x2a0 [ 85.214088][ C1] ? stack_trace_save+0xa6/0xf0 [ 85.218965][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 85.224099][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 85.229776][ C1] ? security_file_ioctl+0x6c/0xa0 [ 85.234946][ C1] ? __se_sys_ioctl+0x48/0x170 [ 85.239755][ C1] ? do_syscall_64+0x4c/0xa0 [ 85.244627][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.250748][ C1] ? kfree+0xef/0x2a0 [ 85.254756][ C1] ? kasan_set_track+0x62/0x70 [ 85.259569][ C1] ? kasan_set_track+0x4b/0x70 [ 85.264577][ C1] ? kasan_set_free_info+0x1f/0x40 [ 85.269817][ C1] ? ____kasan_slab_free+0xd5/0x110 [ 85.275045][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 85.280755][ C1] ? kfree+0xef/0x2a0 [ 85.285149][ C1] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 85.291174][ C1] ? security_file_ioctl+0x6c/0xa0 [ 85.296616][ C1] ? __se_sys_ioctl+0x48/0x170 [ 85.301426][ C1] ? do_syscall_64+0x4c/0xa0 [ 85.306628][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.312767][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 85.318810][ C1] ? lock_chain_count+0x20/0x20 [ 85.323689][ C1] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 85.329059][ C1] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 85.335222][ C1] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 85.341030][ C1] ? blkdev_bszset+0x200/0x200 [ 85.345934][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 85.351261][ C1] ? lo_release+0x1f0/0x1f0 [ 85.355787][ C1] blkdev_ioctl+0x347/0x6f0 [ 85.360330][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 85.365831][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 85.371844][ C1] ? lock_chain_count+0x20/0x20 [ 85.376892][ C1] ? blkdev_iopoll+0x100/0x100 [ 85.381676][ C1] block_ioctl+0xac/0xf0 [ 85.385946][ C1] __se_sys_ioctl+0xfa/0x170 [ 85.390591][ C1] do_syscall_64+0x4c/0xa0 [ 85.395027][ C1] ? clear_bhb_loop+0x30/0x80 [ 85.399738][ C1] ? clear_bhb_loop+0x30/0x80 [ 85.404462][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 85.410660][ C1] RIP: 0033:0x7f466a646b2b [ 85.415215][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 85.434957][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.443403][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 85.451483][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 85.459565][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 85.467774][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 85.475778][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 85.483796][ C1] [ 85.486845][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 85.494172][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.497680][ C1] FAULT_INJECTION: forcing a failure. [ 85.497680][ C1] name failslab, interval 1, probability 1, space 0, times 984 [ 85.504356][ T9] Workqueue: writeback wb_workfn (flush-8:0) [ 85.523456][ T9] Call Trace: [ 85.526774][ T9] [ 85.529734][ T9] dump_stack_lvl+0x188/0x250 [ 85.534616][ T9] ? show_regs_print_info+0x20/0x20 [ 85.539838][ T9] ? load_image+0x410/0x410 [ 85.544406][ T9] ? prandom_u32+0x217/0x250 [ 85.549026][ T9] should_fail+0x383/0x4b0 [ 85.553475][ T9] should_failslab+0x5/0x20 [ 85.557999][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 85.562961][ T9] ? mempool_alloc+0x19d/0x510 [ 85.567741][ T9] kmem_cache_alloc+0x3d/0x280 [ 85.572546][ T9] ? mempool_free+0x320/0x320 [ 85.577244][ T9] mempool_alloc+0x19d/0x510 [ 85.582000][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 85.587076][ T9] ? mempool_resize+0x860/0x860 [ 85.591977][ T9] bio_alloc_bioset+0x121/0x870 [ 85.596960][ T9] submit_bh_wbc+0x1c0/0x670 [ 85.601674][ T9] ? create_page_buffers+0x238/0x320 [ 85.607092][ T9] __block_write_full_page+0x8f0/0x1180 [ 85.612674][ T9] ? mark_buffer_write_io_error+0x360/0x360 [ 85.618642][ T9] ? blkdev_fallocate+0x4a0/0x4a0 [ 85.623786][ T9] __writepage+0x63/0x130 [ 85.628140][ T9] write_cache_pages+0x997/0xfb0 [ 85.633110][ T9] ? generic_writepages+0x170/0x170 [ 85.638349][ T9] ? tag_pages_for_writeback+0x4b0/0x4b0 [ 85.644003][ T9] ? mark_lock+0x94/0x320 [ 85.648391][ T9] generic_writepages+0x104/0x170 [ 85.653801][ T9] ? clear_page_dirty_for_io+0x9f0/0x9f0 [ 85.659584][ T9] ? do_raw_spin_lock+0x128/0x2f0 [ 85.664658][ T9] ? __rwlock_init+0x140/0x140 [ 85.669459][ T9] ? do_raw_spin_unlock+0x11d/0x230 [ 85.674779][ T9] ? blkdev_readpage+0x20/0x20 [ 85.679788][ T9] do_writepages+0x493/0x700 [ 85.684445][ T9] ? __writepage+0x130/0x130 [ 85.689170][ T9] ? writeback_sb_inodes+0x6b7/0x1750 [ 85.694567][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 85.699701][ T9] ? do_raw_spin_lock+0x128/0x2f0 [ 85.704760][ T9] __writeback_single_inode+0x153/0xda0 [ 85.710342][ T9] writeback_sb_inodes+0xaaa/0x1750 [ 85.715583][ T9] ? queue_io+0x530/0x530 [ 85.719930][ T9] ? __rwlock_init+0x140/0x140 [ 85.724908][ T9] __writeback_inodes_wb+0x12a/0x3f0 [ 85.730240][ T9] wb_writeback+0x45e/0xbc0 [ 85.734796][ T9] ? rcu_lock_release+0x20/0x20 [ 85.739670][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 85.745670][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 85.750724][ T9] ? cpumask_next+0xb3/0xd0 [ 85.755251][ T9] wb_workfn+0xb15/0xf20 [ 85.759558][ T9] ? inode_wait_for_writeback+0x220/0x220 [ 85.765311][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 85.771338][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 85.776390][ T9] ? read_lock_is_recursive+0x10/0x10 [ 85.781788][ T9] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 85.787704][ T9] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.792923][ T9] process_one_work+0x867/0xff0 [ 85.798125][ T9] ? worker_detach_from_pool+0x240/0x240 [ 85.803798][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 85.809120][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 85.814333][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 85.819904][ T9] ? wq_worker_running+0x97/0x170 [ 85.824955][ T9] worker_thread+0xad7/0x12a0 [ 85.829684][ T9] kthread+0x42e/0x520 [ 85.833870][ T9] ? rcu_lock_release+0x20/0x20 [ 85.838848][ T9] ? kthread_blkcg+0xd0/0xd0 [ 85.843460][ T9] ret_from_fork+0x1f/0x30 [ 85.847918][ T9] [ 85.850951][ C1] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 85.858106][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 85.868200][ C1] Call Trace: [ 85.871518][ C1] [ 85.874383][ C1] dump_stack_lvl+0x188/0x250 [ 85.879092][ C1] ? show_regs_print_info+0x20/0x20 [ 85.884314][ C1] ? load_image+0x410/0x410 [ 85.888858][ C1] should_fail+0x383/0x4b0 [ 85.893319][ C1] should_failslab+0x5/0x20 [ 85.897868][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 85.902863][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 85.908626][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 85.914222][ C1] ? __alloc_skb+0xf4/0x750 [ 85.918760][ C1] ? ndisc_alloc_skb+0xa6/0x420 [ 85.923632][ C1] __alloc_skb+0x22c/0x750 [ 85.928074][ C1] ndisc_alloc_skb+0xa6/0x420 [ 85.932880][ C1] ndisc_send_rs+0x271/0x700 [ 85.937632][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 85.942827][ C1] addrconf_rs_timer+0x367/0x640 [ 85.947808][ C1] ? detach_timer+0x33/0x2b0 [ 85.952429][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.958520][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.964634][ C1] call_timer_fn+0x17b/0x540 [ 85.969243][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.975418][ C1] ? __run_timers+0x810/0x810 [ 85.980127][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 85.985470][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 85.990822][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 85.996929][ C1] __run_timers+0x56c/0x810 [ 86.001499][ C1] ? detach_timer+0x2b0/0x2b0 [ 86.006201][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.012226][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 86.017097][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 86.023363][ C1] run_timer_softirq+0x63/0xf0 [ 86.028168][ C1] handle_softirqs+0x336/0x830 [ 86.032972][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 86.037856][ C1] ? do_softirq+0x210/0x210 [ 86.042389][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 86.047535][ C1] __irq_exit_rcu+0x13b/0x230 [ 86.052264][ C1] ? irq_exit_rcu+0x20/0x20 [ 86.056830][ C1] irq_exit_rcu+0x5/0x20 [ 86.061091][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 86.066749][ C1] [ 86.069707][ C1] [ 86.072691][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 86.078709][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 86.084895][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 86.104616][ C1] RSP: 0018:ffffc900031eed58 EFLAGS: 00000287 [ 86.110720][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: 0000000000080000 [ 86.119344][ C1] RDX: ffffc9000f00d000 RSI: 00000000000132ce RDI: ffffffff8c1fb700 [ 86.127612][ C1] RBP: ffffc900031eee60 R08: 0000000000000003 R09: 0000000000000004 [ 86.135748][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 86.143883][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200063ddb0 [ 86.152164][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 86.157860][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 86.163534][ C1] dump_stack_lvl+0x161/0x250 [ 86.168250][ C1] ? show_regs_print_info+0x20/0x20 [ 86.173472][ C1] ? load_image+0x410/0x410 [ 86.178002][ C1] ? prandom_u32+0x217/0x250 [ 86.182710][ C1] should_fail+0x383/0x4b0 [ 86.187158][ C1] should_failslab+0x5/0x20 [ 86.191679][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 86.196663][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 86.201879][ C1] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 86.207016][ C1] alloc_unbound_pwq+0x8a4/0xdf0 [ 86.211999][ C1] apply_wqattrs_prepare+0x382/0xad0 [ 86.217318][ C1] apply_workqueue_attrs+0xd0/0x170 [ 86.222623][ C1] alloc_workqueue+0xe9f/0x1450 [ 86.227515][ C1] ? apply_workqueue_attrs+0x170/0x170 [ 86.232991][ C1] ? loop_set_status_from_info+0x2ff/0x7a0 [ 86.238815][ C1] ? memcpy+0x3c/0x60 [ 86.242822][ C1] loop_configure+0x5bc/0x1480 [ 86.247721][ C1] lo_ioctl+0x2e1/0x20e0 [ 86.251995][ C1] ? verify_lock_unused+0x140/0x140 [ 86.257214][ C1] ? lo_release+0x1f0/0x1f0 [ 86.261915][ C1] ? verify_lock_unused+0x140/0x140 [ 86.267143][ C1] ? verify_lock_unused+0x140/0x140 [ 86.272391][ C1] ? rcu_lock_release+0x5/0x20 [ 86.277176][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 86.282227][ C1] ? unwind_next_frame+0x11ec/0x1cf0 [ 86.287542][ C1] ? is_bpf_text_address+0x254/0x270 [ 86.292857][ C1] ? __kernel_text_address+0x9a/0x100 [ 86.298257][ C1] ? unwind_get_return_address+0x49/0x80 [ 86.303910][ C1] ? stack_trace_save+0xf0/0xf0 [ 86.308787][ C1] ? arch_stack_walk+0xf2/0x140 [ 86.313794][ C1] ? kfree+0xef/0x2a0 [ 86.317796][ C1] ? stack_trace_save+0xa6/0xf0 [ 86.322766][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 86.327909][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 86.333510][ C1] ? security_file_ioctl+0x6c/0xa0 [ 86.338771][ C1] ? __se_sys_ioctl+0x48/0x170 [ 86.343593][ C1] ? do_syscall_64+0x4c/0xa0 [ 86.348299][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.354483][ C1] ? kfree+0xef/0x2a0 [ 86.358487][ C1] ? kasan_set_track+0x62/0x70 [ 86.363365][ C1] ? kasan_set_track+0x4b/0x70 [ 86.368160][ C1] ? kasan_set_free_info+0x1f/0x40 [ 86.373294][ C1] ? ____kasan_slab_free+0xd5/0x110 [ 86.378529][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 86.384092][ C1] ? kfree+0xef/0x2a0 [ 86.388093][ C1] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 86.393750][ C1] ? security_file_ioctl+0x6c/0xa0 [ 86.398888][ C1] ? __se_sys_ioctl+0x48/0x170 [ 86.403682][ C1] ? do_syscall_64+0x4c/0xa0 [ 86.408297][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.414415][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.420425][ C1] ? lock_chain_count+0x20/0x20 [ 86.425304][ C1] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 86.430200][ C1] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 86.435619][ C1] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 86.441281][ C1] ? blkdev_bszset+0x200/0x200 [ 86.446061][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 86.451382][ C1] ? lo_release+0x1f0/0x1f0 [ 86.455900][ C1] blkdev_ioctl+0x347/0x6f0 [ 86.460449][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 86.465922][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.471928][ C1] ? lock_chain_count+0x20/0x20 [ 86.476797][ C1] ? blkdev_iopoll+0x100/0x100 [ 86.481586][ C1] block_ioctl+0xac/0xf0 [ 86.485952][ C1] __se_sys_ioctl+0xfa/0x170 [ 86.490568][ C1] do_syscall_64+0x4c/0xa0 [ 86.495007][ C1] ? clear_bhb_loop+0x30/0x80 [ 86.499789][ C1] ? clear_bhb_loop+0x30/0x80 [ 86.504491][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 86.510425][ C1] RIP: 0033:0x7f466a646b2b [ 86.515264][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 86.534907][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.543362][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 86.551360][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 86.559386][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 86.567475][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 86.575734][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 86.583772][ C1] [ 86.586822][ T31] CPU: 0 PID: 31 Comm: kcompactd1 Not tainted syzkaller #0 [ 86.593529][ C1] FAULT_INJECTION: forcing a failure. [ 86.593529][ C1] name failslab, interval 1, probability 1, space 0, times 983 [ 86.594721][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.617660][ T31] Call Trace: [ 86.620964][ T31] [ 86.623915][ T31] dump_stack_lvl+0x188/0x250 [ 86.628625][ T31] ? show_regs_print_info+0x20/0x20 [ 86.633869][ T31] ? load_image+0x410/0x410 [ 86.638399][ T31] ? prandom_u32+0x217/0x250 [ 86.643034][ T31] should_fail+0x383/0x4b0 [ 86.647470][ T31] should_failslab+0x5/0x20 [ 86.652005][ T31] slab_pre_alloc_hook+0x51/0xc0 [ 86.656984][ T31] ? __debug_object_init+0x8c3/0xc80 [ 86.662308][ T31] kmem_cache_alloc+0x3d/0x280 [ 86.667115][ T31] __debug_object_init+0x8c3/0xc80 [ 86.672251][ T31] ? debug_object_init+0x10/0x10 [ 86.677231][ T31] schedule_timeout+0x12d/0x2d0 [ 86.682118][ T31] ? console_conditional_schedule+0x40/0x40 [ 86.688115][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 86.694041][ T31] ? prepare_to_wait_event+0x42c/0x460 [ 86.699549][ T31] kcompactd+0x87b/0x1ff0 [ 86.704445][ T31] ? finish_task_switch+0x12f/0x650 [ 86.709714][ T31] ? kcompactd_run+0x110/0x110 [ 86.714509][ T31] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.720921][ T31] ? lock_chain_count+0x20/0x20 [ 86.725797][ T31] ? __rwlock_init+0x140/0x140 [ 86.730775][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 86.736731][ T31] ? lockdep_hardirqs_on+0x94/0x140 [ 86.742360][ T31] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 86.748872][ T31] ? _raw_spin_unlock+0x40/0x40 [ 86.755950][ T31] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 86.762291][ T31] ? init_wait_entry+0xd0/0xd0 [ 86.767147][ T31] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 86.773099][ T31] ? __kthread_parkme+0x14e/0x1b0 [ 86.778276][ T31] kthread+0x42e/0x520 [ 86.782459][ T31] ? kcompactd_run+0x110/0x110 [ 86.787553][ T31] ? kthread_blkcg+0xd0/0xd0 [ 86.792257][ T31] ret_from_fork+0x1f/0x30 [ 86.797719][ T31] [ 86.800903][ C1] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 86.808706][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 86.819052][ C1] Call Trace: [ 86.822512][ C1] [ 86.825382][ C1] dump_stack_lvl+0x188/0x250 [ 86.830088][ C1] ? show_regs_print_info+0x20/0x20 [ 86.835398][ C1] ? load_image+0x410/0x410 [ 86.839948][ C1] ? prandom_u32+0x217/0x250 [ 86.844655][ C1] should_fail+0x383/0x4b0 [ 86.849095][ C1] should_failslab+0x5/0x20 [ 86.853620][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 86.858588][ C1] kmem_cache_alloc_trace+0x47/0x290 [ 86.863895][ C1] ? dst_cow_metrics_generic+0x52/0x1b0 [ 86.869464][ C1] dst_cow_metrics_generic+0x52/0x1b0 [ 86.874862][ C1] icmp6_dst_alloc+0x2ca/0x470 [ 86.879656][ C1] ndisc_send_skb+0x3d1/0x1410 [ 86.884448][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 86.889413][ C1] ? ndisc_send_rs+0x524/0x700 [ 86.894219][ C1] addrconf_rs_timer+0x367/0x640 [ 86.899204][ C1] ? detach_timer+0x33/0x2b0 [ 86.903822][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.909917][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.916106][ C1] call_timer_fn+0x17b/0x540 [ 86.920859][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.926967][ C1] ? __run_timers+0x810/0x810 [ 86.931694][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 86.936924][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 86.942155][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 86.948256][ C1] __run_timers+0x56c/0x810 [ 86.952999][ C1] ? detach_timer+0x2b0/0x2b0 [ 86.958147][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 86.964349][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 86.969247][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 86.975567][ C1] run_timer_softirq+0x63/0xf0 [ 86.980407][ C1] handle_softirqs+0x336/0x830 [ 86.982670][ T3560] FAULT_INJECTION: forcing a failure. [ 86.982670][ T3560] name failslab, interval 1, probability 1, space 0, times 983 [ 86.985235][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 86.985268][ C1] ? do_softirq+0x210/0x210 [ 87.007593][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 87.012758][ C1] __irq_exit_rcu+0x13b/0x230 [ 87.017475][ C1] ? irq_exit_rcu+0x20/0x20 [ 87.022165][ C1] irq_exit_rcu+0x5/0x20 [ 87.026531][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 87.032204][ C1] [ 87.035166][ C1] [ 87.038127][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 87.044620][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 87.050921][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 87.071100][ C1] RSP: 0018:ffffc900031eed58 EFLAGS: 00000287 [ 87.077194][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: 0000000000080000 [ 87.085191][ C1] RDX: ffffc9000f00d000 RSI: 00000000000132ce RDI: ffffffff8c1fb700 [ 87.093199][ C1] RBP: ffffc900031eee60 R08: 0000000000000003 R09: 0000000000000004 [ 87.101188][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 87.109180][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200063ddb0 [ 87.117180][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 87.122869][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 87.128525][ C1] dump_stack_lvl+0x161/0x250 [ 87.133232][ C1] ? show_regs_print_info+0x20/0x20 [ 87.138458][ C1] ? load_image+0x410/0x410 [ 87.142985][ C1] ? prandom_u32+0x217/0x250 [ 87.147609][ C1] should_fail+0x383/0x4b0 [ 87.152104][ C1] should_failslab+0x5/0x20 [ 87.156635][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 87.161641][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 87.166879][ C1] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 87.172132][ C1] alloc_unbound_pwq+0x8a4/0xdf0 [ 87.177413][ C1] apply_wqattrs_prepare+0x382/0xad0 [ 87.183065][ C1] apply_workqueue_attrs+0xd0/0x170 [ 87.188311][ C1] alloc_workqueue+0xe9f/0x1450 [ 87.193226][ C1] ? apply_workqueue_attrs+0x170/0x170 [ 87.198835][ C1] ? loop_set_status_from_info+0x2ff/0x7a0 [ 87.204710][ C1] ? memcpy+0x3c/0x60 [ 87.208758][ C1] loop_configure+0x5bc/0x1480 [ 87.213736][ C1] lo_ioctl+0x2e1/0x20e0 [ 87.218037][ C1] ? verify_lock_unused+0x140/0x140 [ 87.223273][ C1] ? lo_release+0x1f0/0x1f0 [ 87.227812][ C1] ? verify_lock_unused+0x140/0x140 [ 87.233041][ C1] ? verify_lock_unused+0x140/0x140 [ 87.238303][ C1] ? rcu_lock_release+0x5/0x20 [ 87.243098][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 87.248163][ C1] ? unwind_next_frame+0x11ec/0x1cf0 [ 87.253476][ C1] ? is_bpf_text_address+0x254/0x270 [ 87.258881][ C1] ? __kernel_text_address+0x9a/0x100 [ 87.264280][ C1] ? unwind_get_return_address+0x49/0x80 [ 87.270019][ C1] ? stack_trace_save+0xf0/0xf0 [ 87.274892][ C1] ? arch_stack_walk+0xf2/0x140 [ 87.279772][ C1] ? kfree+0xef/0x2a0 [ 87.283876][ C1] ? stack_trace_save+0xa6/0xf0 [ 87.288741][ C1] ? stack_trace_snprint+0xe0/0xe0 [ 87.293872][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 87.299432][ C1] ? security_file_ioctl+0x6c/0xa0 [ 87.304563][ C1] ? __se_sys_ioctl+0x48/0x170 [ 87.309350][ C1] ? do_syscall_64+0x4c/0xa0 [ 87.313967][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.320053][ C1] ? kfree+0xef/0x2a0 [ 87.324069][ C1] ? kasan_set_track+0x62/0x70 [ 87.328856][ C1] ? kasan_set_track+0x4b/0x70 [ 87.333635][ C1] ? kasan_set_free_info+0x1f/0x40 [ 87.338762][ C1] ? ____kasan_slab_free+0xd5/0x110 [ 87.344063][ C1] ? slab_free_freelist_hook+0xec/0x170 [ 87.349626][ C1] ? kfree+0xef/0x2a0 [ 87.353627][ C1] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 87.359281][ C1] ? security_file_ioctl+0x6c/0xa0 [ 87.364419][ C1] ? __se_sys_ioctl+0x48/0x170 [ 87.369200][ C1] ? do_syscall_64+0x4c/0xa0 [ 87.373828][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.379957][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 87.386172][ C1] ? lock_chain_count+0x20/0x20 [ 87.391199][ C1] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 87.396094][ C1] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 87.401489][ C1] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 87.407144][ C1] ? blkdev_bszset+0x200/0x200 [ 87.412149][ C1] ? kasan_quarantine_put+0xd4/0x210 [ 87.417493][ C1] ? lo_release+0x1f0/0x1f0 [ 87.422406][ C1] blkdev_ioctl+0x347/0x6f0 [ 87.426965][ C1] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 87.432609][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 87.438698][ C1] ? lock_chain_count+0x20/0x20 [ 87.444070][ C1] ? blkdev_iopoll+0x100/0x100 [ 87.448865][ C1] block_ioctl+0xac/0xf0 [ 87.453342][ C1] __se_sys_ioctl+0xfa/0x170 [ 87.457980][ C1] do_syscall_64+0x4c/0xa0 [ 87.462423][ C1] ? clear_bhb_loop+0x30/0x80 [ 87.467992][ C1] ? clear_bhb_loop+0x30/0x80 [ 87.472696][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.478626][ C1] RIP: 0033:0x7f466a646b2b [ 87.483086][ C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 87.502718][ C1] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.511159][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 87.519147][ C1] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 87.527132][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 87.535118][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 87.543106][ C1] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 87.551133][ C1] [ 87.554172][ T3549] CPU: 0 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 87.561151][ T3549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.565718][ T27] FAULT_INJECTION: forcing a failure. [ 87.565718][ T27] name failslab, interval 1, probability 1, space 0, times 982 [ 87.571330][ T3549] Call Trace: [ 87.571341][ T3549] [ 87.590487][ T3549] dump_stack_lvl+0x188/0x250 [ 87.595318][ T3549] ? show_regs_print_info+0x20/0x20 [ 87.600650][ T3549] ? load_image+0x410/0x410 [ 87.605199][ T3549] ? prandom_u32+0x217/0x250 [ 87.609831][ T3549] should_fail+0x383/0x4b0 [ 87.614277][ T3549] should_failslab+0x5/0x20 [ 87.618794][ T3549] slab_pre_alloc_hook+0x51/0xc0 [ 87.623784][ T3549] kmem_cache_alloc_node+0x47/0x2c0 [ 87.629118][ T3549] ? __alloc_skb+0xf4/0x750 [ 87.633673][ T3549] __alloc_skb+0xf4/0x750 [ 87.638044][ T3549] alloc_skb_with_frags+0xa7/0x720 [ 87.643825][ T3549] sock_alloc_send_pskb+0x87f/0x9a0 [ 87.649179][ T3549] ? sock_kzfree_s+0x50/0x50 [ 87.654009][ T3549] ? do_raw_spin_lock+0x128/0x2f0 [ 87.659337][ T3549] ? __rwlock_init+0x140/0x140 [ 87.664128][ T3549] ? mark_lock+0x94/0x320 [ 87.668480][ T3549] ? do_raw_spin_unlock+0x11d/0x230 [ 87.673728][ T3549] unix_dgram_sendmsg+0x6f8/0x19c0 [ 87.678891][ T3549] ? aa_sk_perm+0x7dc/0x910 [ 87.683439][ T3549] ? aa_af_perm+0x340/0x340 [ 87.687969][ T3549] ? unix_dgram_poll+0x680/0x680 [ 87.693053][ T3549] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 87.699523][ T3549] ? apparmor_socket_sendmsg+0x88/0x230 [ 87.705112][ T3549] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 87.710512][ T3549] ? security_socket_sendmsg+0x7c/0xa0 [ 87.716009][ T3549] __sys_sendto+0x46d/0x620 [ 87.720555][ T3549] ? __ia32_sys_getpeername+0x80/0x80 [ 87.725967][ T3549] ? lock_chain_count+0x20/0x20 [ 87.730852][ T3549] __x64_sys_sendto+0xda/0xf0 [ 87.735651][ T3549] do_syscall_64+0x4c/0xa0 [ 87.740110][ T3549] ? clear_bhb_loop+0x30/0x80 [ 87.744929][ T3549] ? clear_bhb_loop+0x30/0x80 [ 87.749629][ T3549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 87.755560][ T3549] RIP: 0033:0x7fc07682b407 [ 87.759999][ T3549] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 87.779719][ T3549] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 87.788446][ T3549] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 87.796606][ T3549] RDX: 0000000000000053 RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 87.804635][ T3549] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 87.812935][ T3549] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 87.821116][ T3549] R13: 00007ffca6f74e30 R14: 0000000000000038 R15: 00007ffca6f74e30 [ 87.829233][ T3549] [ 87.832363][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 87.839604][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.849853][ T27] Call Trace: [ 87.853172][ T27] [ 87.856132][ T27] dump_stack_lvl+0x188/0x250 [ 87.860849][ T27] ? show_regs_print_info+0x20/0x20 [ 87.866100][ T27] ? load_image+0x410/0x410 [ 87.870651][ T27] ? prandom_u32+0x217/0x250 [ 87.875293][ T27] should_fail+0x383/0x4b0 [ 87.879736][ T27] should_failslab+0x5/0x20 [ 87.884257][ T27] slab_pre_alloc_hook+0x51/0xc0 [ 87.889231][ T27] ? __debug_object_init+0x8c3/0xc80 [ 87.894544][ T27] kmem_cache_alloc+0x3d/0x280 [ 87.899352][ T27] __debug_object_init+0x8c3/0xc80 [ 87.904705][ T27] ? debug_object_init+0x10/0x10 [ 87.909731][ T27] schedule_timeout+0x12d/0x2d0 [ 87.914829][ T27] ? console_conditional_schedule+0x40/0x40 [ 87.920760][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 87.926686][ T27] watchdog+0x8b/0xe60 [ 87.930804][ T27] kthread+0x42e/0x520 [ 87.934993][ T27] ? hungtask_pm_notify+0x40/0x40 [ 87.940140][ T27] ? kthread_blkcg+0xd0/0xd0 [ 87.944753][ T27] ret_from_fork+0x1f/0x30 [ 87.949305][ T27] [ 87.952425][ T4188] CPU: 0 PID: 4188 Comm: syz-executor Not tainted syzkaller #0 [ 87.960004][ T4188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 87.970081][ T4188] Call Trace: [ 87.973379][ T4188] [ 87.976324][ T4188] dump_stack_lvl+0x188/0x250 [ 87.981029][ T4188] ? show_regs_print_info+0x20/0x20 [ 87.986248][ T4188] ? load_image+0x410/0x410 [ 87.990776][ T4188] ? prandom_u32+0x217/0x250 [ 87.995653][ T4188] should_fail+0x383/0x4b0 [ 88.000096][ T4188] should_failslab+0x5/0x20 [ 88.004620][ T4188] slab_pre_alloc_hook+0x51/0xc0 [ 88.009578][ T4188] __kmalloc+0x6b/0x340 [ 88.013760][ T4188] ? tomoyo_realpath_from_path+0xed/0x5e0 [ 88.019516][ T4188] ? kmem_cache_free+0x8f/0x210 [ 88.024404][ T4188] tomoyo_realpath_from_path+0xed/0x5e0 [ 88.030002][ T4188] tomoyo_path_perm+0x23f/0x5d0 [ 88.034882][ T4188] ? tomoyo_path_permission+0x3a0/0x3a0 [ 88.041170][ T4188] ? lock_chain_count+0x20/0x20 [ 88.046202][ T4188] security_inode_getattr+0xcf/0x120 [ 88.051621][ T4188] vfs_getattr+0x26/0x3a0 [ 88.056564][ T4188] __x64_sys_newfstat+0x137/0x210 [ 88.061637][ T4188] ? __context_tracking_exit+0x4c/0x80 [ 88.067132][ T4188] ? __ia32_sys_newfstatat+0x200/0x200 [ 88.072979][ T4188] ? lock_chain_count+0x20/0x20 [ 88.077859][ T4188] ? lockdep_hardirqs_on+0x94/0x140 [ 88.083084][ T4188] do_syscall_64+0x4c/0xa0 [ 88.087542][ T4188] ? clear_bhb_loop+0x30/0x80 [ 88.092237][ T4188] ? clear_bhb_loop+0x30/0x80 [ 88.096940][ T4188] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 88.102863][ T4188] RIP: 0033:0x7ff0e94254a7 [ 88.107299][ T4188] Code: 48 45 31 c9 45 31 c0 e8 a7 cb fb ff 5a 59 eb c6 e8 0e 3f 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 05 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 88.127021][ T4188] RSP: 002b:00007ffdb4a34318 EFLAGS: 00000206 ORIG_RAX: 0000000000000005 [ 88.135562][ T4188] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff0e94254a7 [ 88.143681][ T4188] RDX: 0000000000000000 RSI: 00007ffdb4a34320 RDI: 0000000000000003 [ 88.152089][ T4188] RBP: 00007ffdb4a3550c R08: 0000000000000000 R09: 0000000000000000 [ 88.160523][ T4188] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb4a35520 [ 88.168722][ T4188] R13: 00007ff0e94bc30a R14: 00000000000130ff R15: 00007ffdb4a35560 [ 88.176734][ T4188] [ 88.179781][ T2285] CPU: 1 PID: 2285 Comm: kworker/1:3 Not tainted syzkaller #0 [ 88.187383][ T2285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.197547][ T2285] Workqueue: events nsim_fib_event_work [ 88.203125][ T2285] Call Trace: [ 88.206423][ T2285] [ 88.209374][ T2285] dump_stack_lvl+0x188/0x250 [ 88.214294][ T2285] ? show_regs_print_info+0x20/0x20 [ 88.219652][ T2285] ? load_image+0x410/0x410 [ 88.224375][ T2285] ? prandom_u32+0x217/0x250 [ 88.229152][ T2285] should_fail+0x383/0x4b0 [ 88.233772][ T2285] should_failslab+0x5/0x20 [ 88.238456][ T2285] slab_pre_alloc_hook+0x51/0xc0 [ 88.244099][ T2285] kmem_cache_alloc_trace+0x47/0x290 [ 88.249595][ T2285] ? nsim_fib_event_work+0x1171/0x3380 [ 88.255458][ T2285] nsim_fib_event_work+0x1171/0x3380 [ 88.261015][ T2285] ? nsim_fib_create+0xac0/0xac0 [ 88.266210][ T2285] ? __lock_acquire+0x13dc/0x7b50 [ 88.271403][ T2285] ? verify_lock_unused+0x140/0x140 [ 88.276760][ T2285] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.282970][ T2285] ? __lock_acquire+0x7b50/0x7b50 [ 88.288117][ T2285] ? _raw_spin_unlock+0x40/0x40 [ 88.293005][ T2285] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.298402][ T2285] process_one_work+0x867/0xff0 [ 88.303292][ T2285] ? worker_detach_from_pool+0x240/0x240 [ 88.308947][ T2285] ? lockdep_hardirqs_off+0x70/0x100 [ 88.314359][ T2285] ? _raw_spin_lock_irq+0xb7/0xf0 [ 88.319523][ T2285] ? _raw_spin_lock_irqsave+0x100/0x100 [ 88.325092][ T2285] ? wq_worker_running+0x97/0x170 [ 88.330229][ T2285] worker_thread+0xd93/0x12a0 [ 88.334974][ T2285] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 88.340899][ T2285] kthread+0x42e/0x520 [ 88.344992][ T2285] ? rcu_lock_release+0x20/0x20 [ 88.349955][ T2285] ? kthread_blkcg+0xd0/0xd0 [ 88.354593][ T2285] ret_from_fork+0x1f/0x30 [ 88.359054][ T2285] [ 88.362092][ T3560] CPU: 0 PID: 3560 Comm: udevd Not tainted syzkaller #0 [ 88.369060][ T3560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.379137][ T3560] Call Trace: [ 88.382450][ T3560] [ 88.385435][ T3560] dump_stack_lvl+0x188/0x250 [ 88.390241][ T3560] ? show_regs_print_info+0x20/0x20 [ 88.395472][ T3560] ? load_image+0x410/0x410 [ 88.400019][ T3560] ? prandom_u32+0x217/0x250 [ 88.404638][ T3560] should_fail+0x383/0x4b0 [ 88.409084][ T3560] should_failslab+0x5/0x20 [ 88.413614][ T3560] slab_pre_alloc_hook+0x51/0xc0 [ 88.416945][ C1] FAULT_INJECTION: forcing a failure. [ 88.416945][ C1] name failslab, interval 1, probability 1, space 0, times 981 [ 88.418579][ T3560] __kmalloc+0x6b/0x340 [ 88.435504][ T3560] ? tomoyo_encode+0x28a/0x550 [ 88.440309][ T3560] tomoyo_encode+0x28a/0x550 [ 88.445487][ T3560] tomoyo_realpath_from_path+0x5a2/0x5e0 [ 88.451168][ T3560] tomoyo_path_perm+0x23f/0x5d0 [ 88.456183][ T3560] ? tomoyo_path_permission+0x3a0/0x3a0 [ 88.461819][ T3560] ? lockdep_hardirqs_on+0x94/0x140 [ 88.467055][ T3560] ? rcu_is_watching+0x11/0xa0 [ 88.471855][ T3560] security_inode_getattr+0xcf/0x120 [ 88.477165][ T3560] vfs_getattr+0x26/0x3a0 [ 88.481523][ T3560] ? user_path_at_empty+0x13e/0x190 [ 88.486918][ T3560] vfs_statx+0x146/0x4c0 [ 88.491279][ T3560] ? vfs_fstatat+0x40/0x40 [ 88.495753][ T3560] __x64_sys_newfstatat+0x15f/0x200 [ 88.500996][ T3560] ? __ia32_sys_newlstat+0x1c0/0x1c0 [ 88.506338][ T3560] ? lock_chain_count+0x20/0x20 [ 88.511231][ T3560] ? lockdep_hardirqs_on+0x94/0x140 [ 88.516556][ T3560] do_syscall_64+0x4c/0xa0 [ 88.520998][ T3560] ? clear_bhb_loop+0x30/0x80 [ 88.525695][ T3560] ? clear_bhb_loop+0x30/0x80 [ 88.530395][ T3560] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 88.536318][ T3560] RIP: 0033:0x7f43376aab0a [ 88.540756][ T3560] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 88.560478][ T3560] RSP: 002b:00007ffc5a1436c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 88.569015][ T3560] RAX: ffffffffffffffda RBX: 00005627c4698410 RCX: 00007f43376aab0a [ 88.577004][ T3560] RDX: 00007ffc5a1436d0 RSI: 00005627c46862a8 RDI: 00000000ffffff9c [ 88.584993][ T3560] RBP: 00005627f9582148 R08: 00063478c1c69200 R09: 00359d091ffda1d0 [ 88.592982][ T3560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.601418][ T3560] R13: 00007ffc5a1436d0 R14: 0000000000000000 R15: 00063478c1c69200 [ 88.609530][ T3560] [ 88.612565][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 88.619882][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.629952][ C1] Call Trace: [ 88.633251][ C1] [ 88.636219][ C1] dump_stack_lvl+0x188/0x250 [ 88.640927][ C1] ? show_regs_print_info+0x20/0x20 [ 88.646149][ C1] ? load_image+0x410/0x410 [ 88.650676][ C1] ? prandom_u32+0x217/0x250 [ 88.655297][ C1] should_fail+0x383/0x4b0 [ 88.659827][ C1] should_failslab+0x5/0x20 [ 88.664445][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 88.669413][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 88.674630][ C1] ? __alloc_skb+0xf4/0x750 [ 88.679164][ C1] __alloc_skb+0xf4/0x750 [ 88.683520][ C1] ndisc_alloc_skb+0xa6/0x420 [ 88.688399][ C1] ndisc_send_rs+0x271/0x700 [ 88.693038][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 88.698030][ C1] addrconf_rs_timer+0x367/0x640 [ 88.703022][ C1] ? detach_timer+0x33/0x2b0 [ 88.707658][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.713786][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.720047][ C1] call_timer_fn+0x17b/0x540 [ 88.724666][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.730757][ C1] ? __run_timers+0x810/0x810 [ 88.735496][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 88.740736][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 88.745990][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 88.752263][ C1] __run_timers+0x56c/0x810 [ 88.756802][ C1] ? detach_timer+0x2b0/0x2b0 [ 88.761497][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.767506][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 88.772387][ C1] run_timer_softirq+0x63/0xf0 [ 88.777173][ C1] handle_softirqs+0x336/0x830 [ 88.781970][ C1] ? run_ksoftirqd+0xa4/0x100 [ 88.786675][ C1] ? do_softirq+0x210/0x210 [ 88.791199][ C1] ? run_ksoftirqd+0x81/0x100 [ 88.795895][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.801110][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 88.806412][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.811635][ C1] run_ksoftirqd+0xa4/0x100 [ 88.816159][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 88.821373][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 88.826777][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 88.831911][ C1] smpboot_thread_fn+0x520/0x990 [ 88.836878][ C1] kthread+0x42e/0x520 [ 88.840966][ C1] ? cpu_report_death+0x180/0x180 [ 88.846041][ C1] ? kthread_blkcg+0xd0/0xd0 [ 88.850678][ C1] ret_from_fork+0x1f/0x30 [ 88.855145][ C1] [ 88.855964][ T13] FAULT_INJECTION: forcing a failure. [ 88.855964][ T13] name failslab, interval 1, probability 1, space 0, times 980 [ 88.861952][ C1] FAULT_INJECTION: forcing a failure. [ 88.861952][ C1] name failslab, interval 1, probability 1, space 0, times 979 [ 88.871064][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 88.871091][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 88.901342][ T13] Workqueue: events nsim_dev_trap_report_work [ 88.907453][ T13] Call Trace: [ 88.910750][ T13] [ 88.913708][ T13] dump_stack_lvl+0x188/0x250 [ 88.918506][ T13] ? show_regs_print_info+0x20/0x20 [ 88.923735][ T13] ? load_image+0x410/0x410 [ 88.928261][ T13] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 88.934272][ T13] ? prandom_u32+0x217/0x250 [ 88.938897][ T13] should_fail+0x383/0x4b0 [ 88.944080][ T13] should_failslab+0x5/0x20 [ 88.948711][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 88.953776][ T13] kmem_cache_alloc_node+0x47/0x2c0 [ 88.959023][ T13] ? __alloc_skb+0xf4/0x750 [ 88.963686][ T13] __alloc_skb+0xf4/0x750 [ 88.968051][ T13] nsim_dev_trap_report_work+0x25c/0xab0 [ 88.973745][ T13] process_one_work+0x867/0xff0 [ 88.978912][ T13] ? worker_detach_from_pool+0x240/0x240 [ 88.984689][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 88.990127][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 88.995225][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 89.000798][ T13] ? wq_worker_running+0x97/0x170 [ 89.005856][ T13] worker_thread+0xad7/0x12a0 [ 89.010734][ T13] kthread+0x42e/0x520 [ 89.014853][ T13] ? rcu_lock_release+0x20/0x20 [ 89.019880][ T13] ? kthread_blkcg+0xd0/0xd0 [ 89.024514][ T13] ret_from_fork+0x1f/0x30 [ 89.028976][ T13] [ 89.032022][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 89.039500][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.050044][ C1] Call Trace: [ 89.053361][ C1] [ 89.056311][ C1] dump_stack_lvl+0x188/0x250 [ 89.061027][ C1] ? show_regs_print_info+0x20/0x20 [ 89.066517][ C1] ? load_image+0x410/0x410 [ 89.071054][ C1] should_fail+0x383/0x4b0 [ 89.075652][ C1] should_failslab+0x5/0x20 [ 89.080241][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 89.085229][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 89.091000][ C1] ? sk_stream_alloc_skb+0x204/0xb50 [ 89.096329][ C1] ? __alloc_skb+0xf4/0x750 [ 89.100878][ C1] ? sk_stream_alloc_skb+0x204/0xb50 [ 89.106468][ C1] __alloc_skb+0x22c/0x750 [ 89.110954][ C1] sk_stream_alloc_skb+0x204/0xb50 [ 89.116225][ C1] tcp_fragment+0x2a1/0x1670 [ 89.120864][ C1] __tcp_retransmit_skb+0x3fa/0x12e0 [ 89.126206][ C1] tcp_retransmit_skb+0x2e/0x350 [ 89.131293][ C1] tcp_xmit_retransmit_queue+0x5ff/0xc50 [ 89.137092][ C1] tcp_ack+0x4323/0x6140 [ 89.141384][ C1] ? tcp_ack+0x2781/0x6140 [ 89.145876][ C1] ? tcp_rcv_established+0x1d00/0x1d00 [ 89.151642][ C1] ? tcp_validate_incoming+0x6a9/0x1d90 [ 89.157259][ C1] tcp_rcv_established+0xb89/0x1d00 [ 89.162622][ C1] ? tcp_check_space+0x880/0x880 [ 89.167748][ C1] tcp_v4_do_rcv+0x435/0x9b0 [ 89.172543][ C1] tcp_v4_rcv+0x264c/0x2c80 [ 89.177436][ C1] ? tcp_filter+0x90/0x90 [ 89.181931][ C1] ? read_lock_is_recursive+0x10/0x10 [ 89.187477][ C1] ip_protocol_deliver_rcu+0x38c/0x740 [ 89.193375][ C1] ip_local_deliver_finish+0x1d8/0x320 [ 89.199067][ C1] ? NF_HOOK+0x390/0x390 [ 89.203442][ C1] NF_HOOK+0x303/0x390 [ 89.207552][ C1] ? NF_HOOK+0x390/0x390 [ 89.212062][ C1] ? ip_local_deliver+0x180/0x180 [ 89.217148][ C1] ? NF_HOOK+0x390/0x390 [ 89.221560][ C1] ? ip_local_deliver+0x107/0x180 [ 89.227309][ C1] ip_sublist_rcv+0xa17/0xd10 [ 89.232206][ C1] ? consume_skb+0xc8/0x100 [ 89.236744][ C1] ? ip_list_rcv+0x440/0x440 [ 89.241557][ C1] ? packet_sock_destruct+0x160/0x160 [ 89.246953][ C1] ? __netif_receive_skb_core+0x2f97/0x3670 [ 89.253280][ C1] ? ip_rcv_core+0xb30/0xb30 [ 89.257893][ C1] ? memset+0x1e/0x40 [ 89.262071][ C1] ? ip_rcv_core+0x72c/0xb30 [ 89.266691][ C1] ip_list_rcv+0x3e9/0x440 [ 89.271174][ C1] ? ip_rcv_finish+0x270/0x270 [ 89.277202][ C1] ? ip_rcv_finish+0x270/0x270 [ 89.282013][ C1] __netif_receive_skb_list_core+0x57e/0x770 [ 89.288045][ C1] ? __netif_receive_skb+0x290/0x290 [ 89.293382][ C1] netif_receive_skb_list_internal+0x898/0xbd0 [ 89.299581][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 89.305678][ C1] ? netif_receive_skb_list+0x3e0/0x3e0 [ 89.311265][ C1] ? lock_chain_count+0x20/0x20 [ 89.316273][ C1] ? detach_buf_split+0x8a6/0xab0 [ 89.321370][ C1] napi_complete_done+0x37e/0x850 [ 89.326462][ C1] ? free_old_xmit_skbs+0x252/0x2b0 [ 89.331698][ C1] ? __napi_schedule_irqoff+0x230/0x230 [ 89.337274][ C1] ? virtqueue_get_buf_ctx+0x45d/0xe50 [ 89.342767][ C1] ? virtqueue_enable_cb_prepare+0x226/0x550 [ 89.349029][ C1] virtnet_poll+0x9b7/0xfb0 [ 89.353590][ C1] ? refill_work+0x220/0x220 [ 89.358197][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 89.364202][ C1] ? lock_chain_count+0x20/0x20 [ 89.369069][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 89.374290][ C1] __napi_poll+0xbb/0x430 [ 89.378641][ C1] net_rx_action+0x522/0xa80 [ 89.383271][ C1] ? net_tx_action+0x880/0x880 [ 89.388185][ C1] ? detach_timer+0x2b0/0x2b0 [ 89.393181][ C1] handle_softirqs+0x336/0x830 [ 89.398085][ C1] ? run_ksoftirqd+0xa4/0x100 [ 89.402806][ C1] ? do_softirq+0x210/0x210 [ 89.407331][ C1] ? run_ksoftirqd+0x81/0x100 [ 89.412226][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.417865][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 89.423593][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.428849][ C1] run_ksoftirqd+0xa4/0x100 [ 89.433421][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 89.438923][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 89.444602][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 89.449765][ C1] smpboot_thread_fn+0x520/0x990 [ 89.454749][ C1] kthread+0x42e/0x520 [ 89.459358][ C1] ? cpu_report_death+0x180/0x180 [ 89.464557][ C1] ? kthread_blkcg+0xd0/0xd0 [ 89.469194][ C1] ret_from_fork+0x1f/0x30 [ 89.473655][ C1] [ 89.476765][ T4200] CPU: 0 PID: 4200 Comm: syz-executor Not tainted syzkaller #0 [ 89.484362][ T4200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.494489][ T4200] Call Trace: [ 89.497824][ T4200] [ 89.500784][ T4200] dump_stack_lvl+0x188/0x250 [ 89.505504][ T4200] ? show_regs_print_info+0x20/0x20 [ 89.510730][ T4200] ? load_image+0x410/0x410 [ 89.515262][ T4200] ? prandom_u32+0x217/0x250 [ 89.519908][ T4200] should_fail+0x383/0x4b0 [ 89.524381][ T4200] should_failslab+0x5/0x20 [ 89.529020][ T4200] slab_pre_alloc_hook+0x51/0xc0 [ 89.531730][ T4232] FAULT_INJECTION: forcing a failure. [ 89.531730][ T4232] name failslab, interval 1, probability 1, space 0, times 975 [ 89.534001][ T4200] ? __kernfs_new_node+0xe3/0x6b0 [ 89.551896][ T4200] kmem_cache_alloc+0x3d/0x280 [ 89.556827][ T4200] __kernfs_new_node+0xe3/0x6b0 [ 89.561709][ T4200] ? __lock_acquire+0x7b50/0x7b50 [ 89.566774][ T4200] ? kernfs_new_node+0x250/0x250 [ 89.571748][ T4200] ? kernfs_activate+0x1eb/0x210 [ 89.576823][ T4200] kernfs_new_node+0x148/0x250 [ 89.581805][ T4200] __kernfs_create_file+0x47/0x2e0 [ 89.587062][ T4200] sysfs_add_file_mode_ns+0x2d2/0x390 [ 89.592487][ T4200] internal_create_group+0x492/0xd00 [ 89.597803][ T4200] ? kobject_add+0x230/0x230 [ 89.602676][ T4200] ? sysfs_create_group+0x20/0x20 [ 89.607968][ T4200] ? kobject_uevent_env+0x36c/0x890 [ 89.613199][ T4200] netdev_queue_update_kobjects+0x1bc/0x3e0 [ 89.619126][ T4200] netdev_register_kobject+0x273/0x320 [ 89.624612][ T4200] register_netdevice+0x10e8/0x1720 [ 89.629859][ T4200] ? netif_stacked_transfer_operstate+0x200/0x200 [ 89.637183][ T4200] ? ieee80211_debugfs_add_netdev+0xe10/0xee0 [ 89.643366][ T4200] cfg80211_register_netdevice+0x155/0x2f0 [ 89.649330][ T4200] ieee80211_if_add+0x1002/0x1e00 [ 89.654395][ T4200] ieee80211_register_hw+0x2b39/0x3a60 [ 89.659880][ T4200] ? ieee80211_register_hw+0xb21/0x3a60 [ 89.665451][ T4200] ? ieee80211_tasklet_handler+0x20/0x20 [ 89.671384][ T4200] ? hrtimer_init+0x10c/0x220 [ 89.676135][ T4200] mac80211_hwsim_new_radio+0x209d/0x4050 [ 89.681938][ T4200] hwsim_new_radio_nl+0xa7d/0xc50 [ 89.687026][ T4200] genl_rcv_msg+0xd0b/0xfa0 [ 89.691682][ T4200] ? genl_bind+0x370/0x370 [ 89.696297][ T4200] ? __dev_queue_xmit+0x1b64/0x2e50 [ 89.701705][ T4200] ? verify_lock_unused+0x140/0x140 [ 89.706982][ T4200] ? dev_queue_xmit+0x20/0x20 [ 89.711690][ T4200] ? hwsim_tx_info_frame_received_nl+0xec0/0xec0 [ 89.718212][ T4200] netlink_rcv_skb+0x1e9/0x430 [ 89.723031][ T4200] ? genl_bind+0x370/0x370 [ 89.727489][ T4200] ? netlink_ack+0xb10/0xb10 [ 89.732131][ T4200] ? down_read+0x1aa/0x2e0 [ 89.736672][ T4200] genl_rcv+0x24/0x40 [ 89.740768][ T4200] netlink_unicast+0x78f/0x940 [ 89.745654][ T4200] netlink_sendmsg+0x8ba/0xbe0 [ 89.750467][ T4200] ? netlink_getsockopt+0x570/0x570 [ 89.755793][ T4200] ? aa_sock_msg_perm+0x94/0x150 [ 89.760897][ T4200] ? apparmor_socket_sendmsg+0x88/0x230 [ 89.766491][ T4200] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 89.771801][ T4200] ? security_socket_sendmsg+0x7c/0xa0 [ 89.777293][ T4200] __sys_sendto+0x46d/0x620 [ 89.781826][ T4200] ? __ia32_sys_getpeername+0x80/0x80 [ 89.787274][ T4200] ? lock_chain_count+0x20/0x20 [ 89.792163][ T4200] __x64_sys_sendto+0xda/0xf0 [ 89.796958][ T4200] do_syscall_64+0x4c/0xa0 [ 89.801418][ T4200] ? clear_bhb_loop+0x30/0x80 [ 89.806123][ T4200] ? clear_bhb_loop+0x30/0x80 [ 89.810835][ T4200] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 89.816808][ T4200] RIP: 0033:0x7fefd36e46ce [ 89.821442][ T4200] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 89.841946][ T4200] RSP: 002b:00007fffaf179d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 89.850878][ T4200] RAX: ffffffffffffffda RBX: 0000555571749500 RCX: 00007fefd36e46ce [ 89.859126][ T4200] RDX: 0000000000000024 RSI: 00007fefd44da670 RDI: 0000000000000003 [ 89.867303][ T4200] RBP: 0000000000000001 R08: 00007fffaf179e14 R09: 000000000000000c [ 89.875304][ T4200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 89.883319][ T4200] R13: 0000000000000000 R14: 00007fefd44da670 R15: 0000000000000000 [ 89.891422][ T4200] [ 89.894568][ T4232] CPU: 1 PID: 4232 Comm: kworker/1:4 Not tainted syzkaller #0 [ 89.902343][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 89.912430][ T4232] Workqueue: events nsim_dev_trap_report_work [ 89.918622][ T4232] Call Trace: [ 89.921923][ T4232] [ 89.924981][ T4232] dump_stack_lvl+0x188/0x250 [ 89.929717][ T4232] ? show_regs_print_info+0x20/0x20 [ 89.935029][ T4232] ? load_image+0x410/0x410 [ 89.939653][ T4232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 89.945765][ T4232] ? prandom_u32+0x217/0x250 [ 89.950387][ T4232] should_fail+0x383/0x4b0 [ 89.954925][ T4232] should_failslab+0x5/0x20 [ 89.959458][ T4232] slab_pre_alloc_hook+0x51/0xc0 [ 89.964447][ T4232] kmem_cache_alloc_node+0x47/0x2c0 [ 89.969702][ T4232] ? __alloc_skb+0xf4/0x750 [ 89.974265][ T4232] __alloc_skb+0xf4/0x750 [ 89.978640][ T4232] nsim_dev_trap_report_work+0x25c/0xab0 [ 89.984977][ T4232] process_one_work+0x867/0xff0 [ 89.989928][ T4232] ? worker_detach_from_pool+0x240/0x240 [ 89.996263][ T4232] ? lockdep_hardirqs_off+0x70/0x100 [ 90.001984][ T4232] ? _raw_spin_lock_irq+0xb7/0xf0 [ 90.008156][ T4232] ? _raw_spin_lock_irqsave+0x100/0x100 [ 90.014604][ T4232] ? wq_worker_running+0x97/0x170 [ 90.019978][ T4232] worker_thread+0xad7/0x12a0 [ 90.024933][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 90.031248][ T4232] kthread+0x42e/0x520 [ 90.035445][ T4232] ? rcu_lock_release+0x20/0x20 [ 90.040425][ T4232] ? kthread_blkcg+0xd0/0xd0 [ 90.045157][ T4232] ret_from_fork+0x1f/0x30 [ 90.049617][ T4232] [ 90.052653][ T4267] CPU: 0 PID: 4267 Comm: syz.2.3 Not tainted syzkaller #0 [ 90.059813][ T4267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.070082][ T4267] Call Trace: [ 90.073589][ T4267] [ 90.076557][ T4267] dump_stack_lvl+0x188/0x250 [ 90.081288][ T4267] ? show_regs_print_info+0x20/0x20 [ 90.086516][ T4267] ? load_image+0x410/0x410 [ 90.091050][ T4267] ? prandom_u32+0x217/0x250 [ 90.095674][ T4267] should_fail+0x383/0x4b0 [ 90.100147][ T4267] should_failslab+0x5/0x20 [ 90.104792][ T4267] slab_pre_alloc_hook+0x51/0xc0 [ 90.109758][ T4267] __kmalloc_node+0x6d/0x3a0 [ 90.114370][ T4267] ? memcg_alloc_page_obj_cgroups+0x7d/0x120 [ 90.120376][ T4267] memcg_alloc_page_obj_cgroups+0x7d/0x120 [ 90.126216][ T4267] slab_post_alloc_hook+0xba/0x380 [ 90.131449][ T4267] kmem_cache_alloc_node+0x184/0x2c0 [ 90.137064][ T4267] ? dup_task_struct+0x57/0xb70 [ 90.142071][ T4267] dup_task_struct+0x57/0xb70 [ 90.147639][ T4267] ? _raw_spin_unlock_irq+0x1f/0x40 [ 90.153253][ T4267] ? lockdep_hardirqs_on+0x94/0x140 [ 90.158522][ T4267] copy_process+0x61f/0x3ec0 [ 90.163165][ T4267] ? __might_fault+0xb7/0x110 [ 90.167960][ T4267] ? __lock_acquire+0x7b50/0x7b50 [ 90.173012][ T4267] ? __lock_acquire+0x13dc/0x7b50 [ 90.178161][ T4267] ? __pidfd_prepare+0x140/0x140 [ 90.183151][ T4267] kernel_clone+0x23f/0x990 [ 90.187708][ T4267] ? create_io_thread+0x180/0x180 [ 90.192891][ T4267] __se_sys_clone3+0x312/0x3d0 [ 90.197896][ T4267] ? __x64_sys_clone3+0x60/0x60 [ 90.202867][ T4267] ? __lock_acquire+0x7b50/0x7b50 [ 90.207961][ T4267] ? lockdep_hardirqs_on+0x94/0x140 [ 90.213574][ T4267] do_syscall_64+0x4c/0xa0 [ 90.218304][ T4267] ? clear_bhb_loop+0x30/0x80 [ 90.223009][ T4267] ? clear_bhb_loop+0x30/0x80 [ 90.227735][ T4267] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.233664][ T4267] RIP: 0033:0x7fcabb2eec89 [ 90.238110][ T4267] Code: 90 b8 01 00 00 00 b9 01 00 00 00 eb ec 0f 1f 40 00 b8 ea ff ff ff 48 85 ff 74 28 48 85 d2 74 23 49 89 c8 b8 b3 01 00 00 0f 05 <48> 85 c0 7c 14 74 01 c3 31 ed 4c 89 c7 ff d2 48 89 c7 b8 3c 00 00 [ 90.257757][ T4267] RSP: 002b:00007fff4cd91a78 EFLAGS: 00000202 ORIG_RAX: 00000000000001b3 [ 90.266293][ T4267] RAX: ffffffffffffffda RBX: 00007fcabb2aa220 RCX: 00007fcabb2eec89 [ 90.274462][ T4267] RDX: 00007fcabb2aa220 RSI: 0000000000000058 RDI: 00007fff4cd91ad0 [ 90.282497][ T4267] RBP: 00007fcab95046c0 R08: 00007fcab95046c0 R09: 00007fff4cd91bb7 [ 90.290543][ T4267] R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffe8 [ 90.298537][ T4267] R13: 000000000000006e R14: 00007fff4cd91ad0 R15: 00007fff4cd91bb8 [ 90.306722][ T4267] [ 90.309778][ T4280] CPU: 1 PID: 4280 Comm: syz.3.4 Not tainted syzkaller #0 [ 90.316932][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.327017][ T4280] Call Trace: [ 90.330331][ T4280] [ 90.333314][ T4280] dump_stack_lvl+0x188/0x250 [ 90.338050][ T4280] ? show_regs_print_info+0x20/0x20 [ 90.343432][ T4280] ? load_image+0x410/0x410 [ 90.348364][ T4280] ? prandom_u32+0x217/0x250 [ 90.353133][ T4280] should_fail+0x383/0x4b0 [ 90.357614][ T4280] should_failslab+0x5/0x20 [ 90.362311][ T4280] slab_pre_alloc_hook+0x51/0xc0 [ 90.367321][ T4280] kmem_cache_alloc_node+0x47/0x2c0 [ 90.372552][ T4280] ? alloc_unbound_pwq+0x8a4/0xdf0 [ 90.374940][ T4188] ERROR: Out of memory at tomoyo_realpath_from_path. [ 90.377710][ T4280] alloc_unbound_pwq+0x8a4/0xdf0 [ 90.389493][ T4280] apply_wqattrs_prepare+0x382/0xad0 [ 90.394884][ T4280] apply_workqueue_attrs+0xd0/0x170 [ 90.400148][ T4280] alloc_workqueue+0xe9f/0x1450 [ 90.405052][ T4280] ? apply_workqueue_attrs+0x170/0x170 [ 90.410551][ T4280] ? loop_set_status_from_info+0x2ff/0x7a0 [ 90.416408][ T4280] ? memcpy+0x3c/0x60 [ 90.420443][ T4280] loop_configure+0x5bc/0x1480 [ 90.425255][ T4280] lo_ioctl+0x2e1/0x20e0 [ 90.429527][ T4280] ? verify_lock_unused+0x140/0x140 [ 90.434755][ T4280] ? lo_release+0x1f0/0x1f0 [ 90.439296][ T4280] ? verify_lock_unused+0x140/0x140 [ 90.444525][ T4280] ? verify_lock_unused+0x140/0x140 [ 90.449776][ T4280] ? rcu_lock_release+0x5/0x20 [ 90.454675][ T4280] ? __lock_acquire+0x7b50/0x7b50 [ 90.459739][ T4280] ? unwind_next_frame+0x11ec/0x1cf0 [ 90.465076][ T4280] ? is_bpf_text_address+0x254/0x270 [ 90.470414][ T4280] ? __kernel_text_address+0x9a/0x100 [ 90.475822][ T4280] ? unwind_get_return_address+0x49/0x80 [ 90.482168][ T4280] ? stack_trace_save+0xf0/0xf0 [ 90.485217][ T13] FAULT_INJECTION: forcing a failure. [ 90.485217][ T13] name failslab, interval 1, probability 1, space 0, times 972 [ 90.487070][ T4280] ? arch_stack_walk+0xf2/0x140 [ 90.487112][ T4280] ? kfree+0xef/0x2a0 [ 90.509244][ T4280] ? stack_trace_save+0xa6/0xf0 [ 90.514125][ T4280] ? stack_trace_snprint+0xe0/0xe0 [ 90.519363][ T4280] ? slab_free_freelist_hook+0xec/0x170 [ 90.524949][ T3560] ERROR: Out of memory at tomoyo_realpath_from_path. [ 90.525027][ T4280] ? security_file_ioctl+0x6c/0xa0 [ 90.536855][ T4280] ? __se_sys_ioctl+0x48/0x170 [ 90.541738][ T4280] ? do_syscall_64+0x4c/0xa0 [ 90.546384][ T4280] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.552494][ T4280] ? kfree+0xef/0x2a0 [ 90.556597][ T4280] ? kasan_set_track+0x62/0x70 [ 90.561383][ T4280] ? kasan_set_track+0x4b/0x70 [ 90.566166][ T4280] ? kasan_set_free_info+0x1f/0x40 [ 90.571915][ T4280] ? ____kasan_slab_free+0xd5/0x110 [ 90.577409][ T4280] ? slab_free_freelist_hook+0xec/0x170 [ 90.583469][ T4280] ? kfree+0xef/0x2a0 [ 90.587491][ T4280] ? tomoyo_path_number_perm+0x55c/0x6b0 [ 90.593156][ T4280] ? security_file_ioctl+0x6c/0xa0 [ 90.598293][ T4280] ? __se_sys_ioctl+0x48/0x170 [ 90.603087][ T4280] ? do_syscall_64+0x4c/0xa0 [ 90.607705][ T4280] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.614002][ T4280] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.620025][ T4280] ? lock_chain_count+0x20/0x20 [ 90.624925][ T4280] ? do_vfs_ioctl+0x1d5e/0x1f40 [ 90.629839][ T4280] ? blkdev_common_ioctl+0x6b9/0x1ed0 [ 90.635582][ T4280] ? tomoyo_path_number_perm+0x5f7/0x6b0 [ 90.641595][ T4280] ? blkdev_bszset+0x200/0x200 [ 90.646424][ T4280] ? kasan_quarantine_put+0xd4/0x210 [ 90.651781][ T4280] ? lo_release+0x1f0/0x1f0 [ 90.656335][ T4280] blkdev_ioctl+0x347/0x6f0 [ 90.660885][ T4280] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 90.666372][ T4280] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 90.672412][ T4280] ? lock_chain_count+0x20/0x20 [ 90.677474][ T4280] ? blkdev_iopoll+0x100/0x100 [ 90.682267][ T4280] block_ioctl+0xac/0xf0 [ 90.686561][ T4280] __se_sys_ioctl+0xfa/0x170 [ 90.691205][ T4280] do_syscall_64+0x4c/0xa0 [ 90.695914][ T4280] ? clear_bhb_loop+0x30/0x80 [ 90.700709][ T4280] ? clear_bhb_loop+0x30/0x80 [ 90.705418][ T4280] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 90.711341][ T4280] RIP: 0033:0x7f466a646b2b [ 90.715874][ T4280] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 90.735596][ T4280] RSP: 002b:00007f466887ddb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.744034][ T4280] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f466a646b2b [ 90.752265][ T4280] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 90.760295][ T4280] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 90.768404][ T4280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 90.776413][ T4280] R13: 00007f466887dee0 R14: 00007f466887dea0 R15: 00007f466045e000 [ 90.784438][ T4280] [ 90.787479][ T144] CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0 [ 90.795080][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 90.802489][ T4232] FAULT_INJECTION: forcing a failure. [ 90.802489][ T4232] name failslab, interval 1, probability 1, space 0, times 971 [ 90.805273][ T144] Workqueue: events_unbound cfg80211_wiphy_work [ 90.805307][ T144] Call Trace: [ 90.805315][ T144] [ 90.805325][ T144] dump_stack_lvl+0x188/0x250 [ 90.835690][ T144] ? show_regs_print_info+0x20/0x20 [ 90.840919][ T144] ? load_image+0x410/0x410 [ 90.845454][ T144] should_fail+0x383/0x4b0 [ 90.850033][ T144] should_failslab+0x5/0x20 [ 90.854583][ T144] slab_pre_alloc_hook+0x51/0xc0 [ 90.859561][ T144] __kmalloc+0x6b/0x340 [ 90.863755][ T144] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 90.870120][ T144] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 90.876321][ T144] ? verify_lock_unused+0x140/0x140 [ 90.881684][ T144] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 90.887984][ T144] ? __lock_acquire+0x7b50/0x7b50 [ 90.893050][ T144] ieee80211_bss_info_update+0x6ba/0xa80 [ 90.898722][ T144] ? ieee80211_rx_bss_put+0x60/0x60 [ 90.903952][ T144] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 90.909999][ T144] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 90.916217][ T144] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 90.921968][ T144] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 90.927887][ T144] ? lockdep_hardirqs_on+0x94/0x140 [ 90.933110][ T144] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 90.939122][ T144] ? _raw_spin_unlock+0x40/0x40 [ 90.944023][ T144] ? kcov_remote_start+0x6a/0x490 [ 90.949096][ T144] ? kcov_remote_start+0xfa/0x490 [ 90.954210][ T144] ieee80211_iface_work+0x714/0xc50 [ 90.959562][ T144] ? _raw_spin_unlock_irq+0x1f/0x40 [ 90.964811][ T144] cfg80211_wiphy_work+0x224/0x260 [ 90.970352][ T144] process_one_work+0x867/0xff0 [ 90.975306][ T144] ? worker_detach_from_pool+0x240/0x240 [ 90.981049][ T144] ? lockdep_hardirqs_off+0x70/0x100 [ 90.986454][ T144] ? _raw_spin_lock_irq+0xb7/0xf0 [ 90.991502][ T144] ? _raw_spin_lock_irqsave+0x100/0x100 [ 90.997326][ T144] ? wq_worker_running+0x97/0x170 [ 91.002436][ T144] worker_thread+0xad7/0x12a0 [ 91.007194][ T144] kthread+0x42e/0x520 [ 91.011318][ T144] ? rcu_lock_release+0x20/0x20 [ 91.016671][ T144] ? kthread_blkcg+0xd0/0xd0 [ 91.021506][ T144] ret_from_fork+0x1f/0x30 [ 91.026087][ T144] [ 91.029143][ T4232] CPU: 1 PID: 4232 Comm: kworker/1:4 Not tainted syzkaller #0 [ 91.036768][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.046871][ T4232] Workqueue: events nsim_dev_trap_report_work [ 91.052987][ T4232] Call Trace: [ 91.056293][ T4232] [ 91.059388][ T4232] dump_stack_lvl+0x188/0x250 [ 91.064132][ T4232] ? show_regs_print_info+0x20/0x20 [ 91.069376][ T4232] ? load_image+0x410/0x410 [ 91.073954][ T4232] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 91.080106][ T4232] ? prandom_u32+0x217/0x250 [ 91.084802][ T4232] should_fail+0x383/0x4b0 [ 91.089273][ T4232] should_failslab+0x5/0x20 [ 91.093832][ T4232] slab_pre_alloc_hook+0x51/0xc0 [ 91.098795][ T4232] kmem_cache_alloc_node+0x47/0x2c0 [ 91.104016][ T4232] ? __alloc_skb+0xf4/0x750 [ 91.108547][ T4232] __alloc_skb+0xf4/0x750 [ 91.113078][ T4232] nsim_dev_trap_report_work+0x25c/0xab0 [ 91.118749][ T4232] process_one_work+0x867/0xff0 [ 91.123811][ T4232] ? worker_detach_from_pool+0x240/0x240 [ 91.129463][ T4232] ? lockdep_hardirqs_off+0x70/0x100 [ 91.134775][ T4232] ? _raw_spin_lock_irq+0xb7/0xf0 [ 91.139836][ T4232] ? _raw_spin_lock_irqsave+0x100/0x100 [ 91.145438][ T4232] ? wq_worker_running+0x97/0x170 [ 91.150682][ T4232] worker_thread+0xad7/0x12a0 [ 91.155504][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 91.161444][ T4232] kthread+0x42e/0x520 [ 91.165759][ T4232] ? rcu_lock_release+0x20/0x20 [ 91.170672][ T4232] ? kthread_blkcg+0xd0/0xd0 [ 91.175315][ T4232] ret_from_fork+0x1f/0x30 [ 91.179780][ T4232] [ 91.182835][ T4278] CPU: 0 PID: 4278 Comm: udevadm Not tainted syzkaller #0 [ 91.189989][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.193397][ T3549] FAULT_INJECTION: forcing a failure. [ 91.193397][ T3549] name failslab, interval 1, probability 1, space 0, times 970 [ 91.200077][ T4278] Call Trace: [ 91.200090][ T4278] [ 91.200100][ T4278] dump_stack_lvl+0x188/0x250 [ 91.200132][ T4278] ? show_regs_print_info+0x20/0x20 [ 91.229194][ T4278] ? load_image+0x410/0x410 [ 91.233847][ T4278] should_fail+0x383/0x4b0 [ 91.238297][ T4278] should_failslab+0x5/0x20 [ 91.242825][ T4278] slab_pre_alloc_hook+0x51/0xc0 [ 91.247877][ T4278] ? vm_area_dup+0x1e/0xb0 [ 91.252312][ T4278] kmem_cache_alloc+0x3d/0x280 [ 91.257309][ T4278] vm_area_dup+0x1e/0xb0 [ 91.261690][ T4278] __split_vma+0xb1/0x410 [ 91.266291][ T4278] ? find_vma+0xd2/0x230 [ 91.271202][ T4278] __do_munmap+0x40b/0xe10 [ 91.275998][ T4278] mmap_region+0x977/0x1730 [ 91.280696][ T4278] ? get_unmapped_area+0x2f0/0x360 [ 91.286634][ T4278] ? file_mmap_ok+0x11f/0x170 [ 91.291571][ T4278] do_mmap+0x801/0xe30 [ 91.295744][ T4278] vm_mmap_pgoff+0x1c1/0x2d0 [ 91.300389][ T4278] ? account_locked_vm+0xe0/0xe0 [ 91.305363][ T4278] ksys_mmap_pgoff+0x4e2/0x790 [ 91.310314][ T4278] ? mmap_region+0x1730/0x1730 [ 91.315142][ T4278] ? lockdep_hardirqs_on+0x94/0x140 [ 91.320390][ T4278] do_syscall_64+0x4c/0xa0 [ 91.324855][ T4278] ? clear_bhb_loop+0x30/0x80 [ 91.329560][ T4278] ? clear_bhb_loop+0x30/0x80 [ 91.334347][ T4278] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.340268][ T4278] RIP: 0033:0x7f73da0b3242 [ 91.344834][ T4278] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 [ 91.364565][ T4278] RSP: 002b:00007ffc3fa9f2f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 91.373004][ T4278] RAX: ffffffffffffffda RBX: 00007f73d9887000 RCX: 00007f73da0b3242 [ 91.380995][ T4278] RDX: 0000000000000001 RSI: 0000000000026000 RDI: 00007f73d9887000 [ 91.388988][ T4278] RBP: 0000000000000812 R08: 0000000000000003 R09: 000000000003a000 [ 91.396974][ T4278] R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffc3fa9f380 [ 91.404961][ T4278] R13: 00007f73d98af020 R14: 00007ffc3fa9f730 R15: 00000fff87f53e62 [ 91.412969][ T4278] [ 91.416007][ T3549] CPU: 1 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 91.422981][ T3549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.433058][ T3549] Call Trace: [ 91.436371][ T3549] [ 91.439335][ T3549] dump_stack_lvl+0x188/0x250 [ 91.444046][ T3549] ? show_regs_print_info+0x20/0x20 [ 91.449268][ T3549] ? load_image+0x410/0x410 [ 91.453802][ T3549] ? prandom_u32+0x217/0x250 [ 91.458418][ T3549] should_fail+0x383/0x4b0 [ 91.462866][ T3549] should_failslab+0x5/0x20 [ 91.467388][ T3549] slab_pre_alloc_hook+0x51/0xc0 [ 91.472615][ T3549] __kmalloc_node_track_caller+0x68/0x3a0 [ 91.478362][ T3549] ? alloc_skb_with_frags+0xa7/0x720 [ 91.483672][ T3549] ? __alloc_skb+0xf4/0x750 [ 91.488204][ T3549] ? alloc_skb_with_frags+0xa7/0x720 [ 91.493518][ T3549] __alloc_skb+0x22c/0x750 [ 91.497957][ T3549] alloc_skb_with_frags+0xa7/0x720 [ 91.503092][ T3549] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 91.509094][ T3549] sock_alloc_send_pskb+0x87f/0x9a0 [ 91.514334][ T3549] ? sock_kzfree_s+0x50/0x50 [ 91.518964][ T3549] ? do_raw_spin_lock+0x128/0x2f0 [ 91.524044][ T3549] ? __rwlock_init+0x140/0x140 [ 91.528833][ T3549] ? mark_lock+0x94/0x320 [ 91.533190][ T3549] ? do_raw_spin_unlock+0x11d/0x230 [ 91.538432][ T3549] unix_dgram_sendmsg+0x6f8/0x19c0 [ 91.543616][ T4200] FAULT_INJECTION: forcing a failure. [ 91.543616][ T4200] name failslab, interval 1, probability 1, space 0, times 968 [ 91.556785][ T3549] ? aa_sk_perm+0x7dc/0x910 [ 91.556828][ T3549] ? aa_af_perm+0x340/0x340 [ 91.556851][ T3549] ? unix_dgram_poll+0x680/0x680 [ 91.556870][ T3549] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 91.556897][ T3549] ? apparmor_socket_sendmsg+0x88/0x230 [ 91.556915][ T3549] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 91.588918][ T3549] ? security_socket_sendmsg+0x7c/0xa0 [ 91.594423][ T3549] __sys_sendto+0x46d/0x620 [ 91.599612][ T3549] ? __ia32_sys_getpeername+0x80/0x80 [ 91.605738][ T3549] ? lock_chain_count+0x20/0x20 [ 91.610662][ T3549] __x64_sys_sendto+0xda/0xf0 [ 91.615372][ T3549] do_syscall_64+0x4c/0xa0 [ 91.620014][ T3549] ? clear_bhb_loop+0x30/0x80 [ 91.624901][ T3549] ? clear_bhb_loop+0x30/0x80 [ 91.629972][ T3549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.636091][ T3549] RIP: 0033:0x7fc07682b407 [ 91.640721][ T3549] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 91.660802][ T3549] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 91.669278][ T3549] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 91.677456][ T3549] RDX: 000000000000004a RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 91.685771][ T3549] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 91.693908][ T3549] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 91.701918][ T3549] R13: 00007ffca6f74e30 R14: 000000000000002f R15: 00007ffca6f74e30 [ 91.709929][ T3549] [ 91.713187][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 91.720633][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.730735][ T13] Workqueue: mld mld_dad_work [ 91.735482][ T13] Call Trace: [ 91.738789][ T13] [ 91.741756][ T13] dump_stack_lvl+0x188/0x250 [ 91.746485][ T13] ? verify_lock_unused+0x140/0x140 [ 91.751721][ T13] ? show_regs_print_info+0x20/0x20 [ 91.756955][ T13] ? load_image+0x410/0x410 [ 91.761659][ T13] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 91.767709][ T13] ? prandom_u32+0x217/0x250 [ 91.772487][ T13] should_fail+0x383/0x4b0 [ 91.777333][ T13] should_failslab+0x5/0x20 [ 91.782001][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 91.787137][ T13] ? dst_alloc+0x101/0x160 [ 91.791746][ T13] kmem_cache_alloc+0x3d/0x280 [ 91.795296][ T4232] FAULT_INJECTION: forcing a failure. [ 91.795296][ T4232] name failslab, interval 1, probability 1, space 0, times 967 [ 91.796593][ T13] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 91.815554][ T13] dst_alloc+0x101/0x160 [ 91.819845][ T13] icmp6_dst_alloc+0x7e/0x470 [ 91.824581][ T13] ? icmpv6_flow_init+0x5e/0x120 [ 91.829558][ T13] mld_sendpack+0x5a2/0xc40 [ 91.834125][ T13] ? add_grec+0x1840/0x1840 [ 91.838670][ T13] ? mld_send_initial_cr+0x352/0x540 [ 91.843974][ T13] mld_dad_work+0x39/0x470 [ 91.848613][ T13] process_one_work+0x867/0xff0 [ 91.853525][ T13] ? worker_detach_from_pool+0x240/0x240 [ 91.859203][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 91.864612][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 91.869665][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 91.875238][ T13] ? wq_worker_running+0x97/0x170 [ 91.880484][ T13] worker_thread+0xad7/0x12a0 [ 91.885250][ T13] kthread+0x42e/0x520 [ 91.885452][ C1] FAULT_INJECTION: forcing a failure. [ 91.885452][ C1] name failslab, interval 1, probability 1, space 0, times 967 [ 91.889366][ T13] ? rcu_lock_release+0x20/0x20 [ 91.907114][ T13] ? kthread_blkcg+0xd0/0xd0 [ 91.911758][ T13] ret_from_fork+0x1f/0x30 [ 91.916230][ T13] [ 91.919286][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 91.926700][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 91.936806][ C1] Call Trace: [ 91.940120][ C1] [ 91.943074][ C1] dump_stack_lvl+0x188/0x250 [ 91.947803][ C1] ? verify_lock_unused+0x140/0x140 [ 91.953258][ C1] ? show_regs_print_info+0x20/0x20 [ 91.959536][ C1] ? load_image+0x410/0x410 [ 91.964262][ C1] ? __lock_acquire+0x1305/0x7b50 [ 91.969336][ C1] ? prandom_u32+0x217/0x250 [ 91.974087][ C1] should_fail+0x383/0x4b0 [ 91.978549][ C1] should_failslab+0x5/0x20 [ 91.983075][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 91.988389][ C1] ? dst_alloc+0x101/0x160 [ 91.992854][ C1] kmem_cache_alloc+0x3d/0x280 [ 91.997673][ C1] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 92.003334][ C1] dst_alloc+0x101/0x160 [ 92.007709][ C1] icmp6_dst_alloc+0x7e/0x470 [ 92.012409][ C1] ? icmpv6_flow_init+0x5e/0x120 [ 92.017368][ C1] ndisc_send_skb+0x3d1/0x1410 [ 92.022168][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 92.027153][ C1] ? ndisc_send_rs+0x524/0x700 [ 92.031964][ C1] addrconf_rs_timer+0x367/0x640 [ 92.036943][ C1] ? detach_timer+0x33/0x2b0 [ 92.041591][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 92.047708][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 92.053820][ C1] call_timer_fn+0x17b/0x540 [ 92.058555][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 92.064683][ C1] ? __run_timers+0x810/0x810 [ 92.069520][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 92.074759][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 92.079993][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 92.086227][ C1] __run_timers+0x56c/0x810 [ 92.091024][ C1] ? detach_timer+0x2b0/0x2b0 [ 92.095748][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 92.099895][ T4175] FAULT_INJECTION: forcing a failure. [ 92.099895][ T4175] name failslab, interval 1, probability 1, space 0, times 966 [ 92.101792][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 92.119427][ C1] run_timer_softirq+0x63/0xf0 [ 92.124261][ C1] handle_softirqs+0x336/0x830 [ 92.129083][ C1] ? run_ksoftirqd+0xa4/0x100 [ 92.133796][ C1] ? do_softirq+0x210/0x210 [ 92.138326][ C1] ? run_ksoftirqd+0x81/0x100 [ 92.143128][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 92.148476][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 92.153800][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 92.159206][ C1] run_ksoftirqd+0xa4/0x100 [ 92.163743][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 92.168986][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 92.174565][ C1] ? smpboot_thread_fn+0x5d9/0x990 [ 92.179787][ C1] smpboot_thread_fn+0x520/0x990 [ 92.184893][ C1] kthread+0x42e/0x520 [ 92.189029][ C1] ? cpu_report_death+0x180/0x180 [ 92.194731][ C1] ? kthread_blkcg+0xd0/0xd0 [ 92.199453][ C1] ret_from_fork+0x1f/0x30 [ 92.203918][ C1] [ 92.207056][ T4175] CPU: 0 PID: 4175 Comm: syz-executor Not tainted syzkaller #0 [ 92.214892][ T4175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.224990][ T4175] Call Trace: [ 92.228308][ T4175] [ 92.231274][ T4175] dump_stack_lvl+0x188/0x250 [ 92.236001][ T4175] ? show_regs_print_info+0x20/0x20 [ 92.241248][ T4175] ? load_image+0x410/0x410 [ 92.245941][ T4175] should_fail+0x383/0x4b0 [ 92.250588][ T4175] should_failslab+0x5/0x20 [ 92.255134][ T4175] slab_pre_alloc_hook+0x51/0xc0 [ 92.260109][ T4175] ? security_file_alloc+0x30/0x110 [ 92.265528][ T4175] kmem_cache_alloc+0x3d/0x280 [ 92.270326][ T4175] ? rcu_is_watching+0x11/0xa0 [ 92.275230][ T4175] security_file_alloc+0x30/0x110 [ 92.280317][ T4175] __alloc_file+0xc2/0x240 [ 92.284796][ T4175] alloc_empty_file+0x90/0x180 [ 92.286281][ T3549] FAULT_INJECTION: forcing a failure. [ 92.286281][ T3549] name failslab, interval 1, probability 1, space 0, times 964 [ 92.289957][ T4175] alloc_file+0x5c/0x510 [ 92.307168][ T4175] alloc_file_clone+0x23/0xa0 [ 92.312430][ T4175] create_pipe_files+0x409/0x6b0 [ 92.317445][ T4175] __do_pipe_flags+0x46/0x1f0 [ 92.322162][ T4175] do_pipe2+0xa7/0x190 [ 92.326267][ T4175] ? pipe_fcntl+0x530/0x530 [ 92.330801][ T4175] ? lock_chain_count+0x20/0x20 [ 92.335680][ T4175] ? syscall_enter_from_user_mode+0x21/0x70 [ 92.341601][ T4175] __x64_sys_pipe2+0x56/0x60 [ 92.346326][ T4175] do_syscall_64+0x4c/0xa0 [ 92.350782][ T4175] ? clear_bhb_loop+0x30/0x80 [ 92.355493][ T4175] ? clear_bhb_loop+0x30/0x80 [ 92.360314][ T4175] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.366240][ T4175] RIP: 0033:0x7f0226b68ec9 [ 92.370733][ T4175] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 92.390692][ T4175] RSP: 002b:00007ffe20886e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 92.399154][ T4175] RAX: ffffffffffffffda RBX: 0000555589b225e0 RCX: 00007f0226b68ec9 [ 92.407169][ T4175] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 00007ffe20886e68 [ 92.415265][ T4175] RBP: 00007ffe20887420 R08: 0000000000076d00 R09: 0000000000000000 [ 92.423274][ T4175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe20886f80 [ 92.431273][ T4175] R13: 0000555589b1d9a0 R14: 0000555589b1eb50 R15: 00007ffe20886fa0 [ 92.439277][ T4175] [ 92.442321][ T4232] CPU: 1 PID: 4232 Comm: kworker/1:4 Not tainted syzkaller #0 [ 92.442765][ T9] FAULT_INJECTION: forcing a failure. [ 92.442765][ T9] name failslab, interval 1, probability 1, space 0, times 964 [ 92.449817][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.449834][ T4232] Workqueue: mld mld_dad_work [ 92.449861][ T4232] Call Trace: [ 92.481476][ T4232] [ 92.484460][ T4232] dump_stack_lvl+0x188/0x250 [ 92.489486][ T4232] ? show_regs_print_info+0x20/0x20 [ 92.494745][ T4232] ? load_image+0x410/0x410 [ 92.499645][ T4232] ? prandom_u32+0x217/0x250 [ 92.504513][ T4232] should_fail+0x383/0x4b0 [ 92.508979][ T4232] should_failslab+0x5/0x20 [ 92.513520][ T4232] slab_pre_alloc_hook+0x51/0xc0 [ 92.518485][ T4232] kmem_cache_alloc_trace+0x47/0x290 [ 92.523817][ T4232] ? dst_cow_metrics_generic+0x52/0x1b0 [ 92.529396][ T4232] dst_cow_metrics_generic+0x52/0x1b0 [ 92.535074][ T4232] icmp6_dst_alloc+0x2ca/0x470 [ 92.539992][ T4232] mld_sendpack+0x5a2/0xc40 [ 92.544620][ T4232] ? add_grec+0x1840/0x1840 [ 92.549352][ T4232] ? mld_send_initial_cr+0x352/0x540 [ 92.554670][ T4232] mld_dad_work+0x39/0x470 [ 92.555268][ T13] Bluetooth: hci2: command 0x0419 tx timeout [ 92.559134][ T4232] process_one_work+0x867/0xff0 [ 92.570206][ T4232] ? worker_detach_from_pool+0x240/0x240 [ 92.575885][ T4232] ? lockdep_hardirqs_off+0x70/0x100 [ 92.581239][ T4232] ? _raw_spin_lock_irq+0xb7/0xf0 [ 92.585133][ T13] Bluetooth: hci3: command 0x0419 tx timeout [ 92.586296][ T4232] ? _raw_spin_lock_irqsave+0x100/0x100 [ 92.597843][ T4232] ? wq_worker_running+0x97/0x170 [ 92.602890][ T4232] worker_thread+0xad7/0x12a0 [ 92.604863][ T13] Bluetooth: hci4: command 0x0419 tx timeout [ 92.607631][ T4232] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 92.619483][ T4232] kthread+0x42e/0x520 [ 92.623667][ T4232] ? rcu_lock_release+0x20/0x20 [ 92.626230][ T13] FAULT_INJECTION: forcing a failure. [ 92.626230][ T13] name failslab, interval 1, probability 1, space 0, times 963 [ 92.628625][ T4232] ? kthread_blkcg+0xd0/0xd0 [ 92.646163][ T4232] ret_from_fork+0x1f/0x30 [ 92.650641][ T4232] [ 92.653976][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 92.661325][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.671847][ T13] Workqueue: events nsim_dev_trap_report_work [ 92.678059][ T13] Call Trace: [ 92.681399][ T13] [ 92.684492][ T13] dump_stack_lvl+0x188/0x250 [ 92.689262][ T13] ? show_regs_print_info+0x20/0x20 [ 92.694517][ T13] ? load_image+0x410/0x410 [ 92.699142][ T13] ? prandom_u32+0x217/0x250 [ 92.703761][ T13] should_fail+0x383/0x4b0 [ 92.708214][ T13] should_failslab+0x5/0x20 [ 92.712748][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 92.717737][ T13] __kmalloc_node_track_caller+0x68/0x3a0 [ 92.723592][ T13] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 92.729444][ T13] ? __alloc_skb+0xf4/0x750 [ 92.733975][ T13] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 92.739897][ T13] __alloc_skb+0x22c/0x750 [ 92.744614][ T13] nsim_dev_trap_report_work+0x25c/0xab0 [ 92.750297][ T13] process_one_work+0x867/0xff0 [ 92.755217][ T13] ? worker_detach_from_pool+0x240/0x240 [ 92.760921][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 92.766433][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 92.771488][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 92.777063][ T13] ? wq_worker_running+0x97/0x170 [ 92.782236][ T13] worker_thread+0xad7/0x12a0 [ 92.787215][ T13] kthread+0x42e/0x520 [ 92.791346][ T13] ? rcu_lock_release+0x20/0x20 [ 92.796493][ T13] ? kthread_blkcg+0xd0/0xd0 [ 92.801132][ T13] ret_from_fork+0x1f/0x30 [ 92.805616][ T13] [ 92.808795][ T3549] CPU: 1 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 92.809074][ T13] FAULT_INJECTION: forcing a failure. [ 92.809074][ T13] name failslab, interval 1, probability 1, space 0, times 962 [ 92.815814][ T3549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 92.815832][ T3549] Call Trace: [ 92.815840][ T3549] [ 92.815850][ T3549] dump_stack_lvl+0x188/0x250 [ 92.851194][ T3549] ? show_regs_print_info+0x20/0x20 [ 92.856436][ T3549] ? load_image+0x410/0x410 [ 92.860972][ T3549] ? prandom_u32+0x217/0x250 [ 92.865599][ T3549] should_fail+0x383/0x4b0 [ 92.870173][ T3549] should_failslab+0x5/0x20 [ 92.874712][ T3549] slab_pre_alloc_hook+0x51/0xc0 [ 92.879672][ T3549] __kmalloc_node_track_caller+0x68/0x3a0 [ 92.885422][ T3549] ? alloc_skb_with_frags+0xa7/0x720 [ 92.890750][ T3549] ? __alloc_skb+0xf4/0x750 [ 92.895276][ T3549] ? alloc_skb_with_frags+0xa7/0x720 [ 92.900583][ T3549] __alloc_skb+0x22c/0x750 [ 92.905028][ T3549] alloc_skb_with_frags+0xa7/0x720 [ 92.910263][ T3549] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 92.916271][ T3549] sock_alloc_send_pskb+0x87f/0x9a0 [ 92.921672][ T3549] ? sock_kzfree_s+0x50/0x50 [ 92.926289][ T3549] ? do_raw_spin_lock+0x128/0x2f0 [ 92.931350][ T3549] ? __rwlock_init+0x140/0x140 [ 92.936237][ T3549] ? mark_lock+0x94/0x320 [ 92.940636][ T3549] ? do_raw_spin_unlock+0x11d/0x230 [ 92.946051][ T3549] unix_dgram_sendmsg+0x6f8/0x19c0 [ 92.951241][ T3549] ? aa_sk_perm+0x7dc/0x910 [ 92.955797][ T3549] ? aa_af_perm+0x340/0x340 [ 92.960333][ T3549] ? unix_dgram_poll+0x680/0x680 [ 92.965823][ T3549] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 92.972328][ T3549] ? apparmor_socket_sendmsg+0x88/0x230 [ 92.978012][ T3549] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 92.983356][ T3549] ? security_socket_sendmsg+0x7c/0xa0 [ 92.990007][ T3549] __sys_sendto+0x46d/0x620 [ 92.994681][ T3549] ? __ia32_sys_getpeername+0x80/0x80 [ 93.000132][ T3549] ? lock_chain_count+0x20/0x20 [ 93.005157][ T3549] __x64_sys_sendto+0xda/0xf0 [ 93.009899][ T3549] do_syscall_64+0x4c/0xa0 [ 93.014369][ T3549] ? clear_bhb_loop+0x30/0x80 [ 93.019086][ T3549] ? clear_bhb_loop+0x30/0x80 [ 93.023806][ T3549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.029909][ T3549] RIP: 0033:0x7fc07682b407 [ 93.034352][ T3549] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 93.054162][ T3549] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 93.062621][ T3549] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 93.070614][ T3549] RDX: 0000000000000053 RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 93.078608][ T3549] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 93.086697][ T3549] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 93.094699][ T3549] R13: 00007ffca6f74e30 R14: 0000000000000038 R15: 00007ffca6f74e30 [ 93.102797][ T3549] [ 93.105840][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 93.113244][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.123325][ T13] Workqueue: events nsim_dev_trap_report_work [ 93.128527][ T4266] FAULT_INJECTION: forcing a failure. [ 93.128527][ T4266] name failslab, interval 1, probability 1, space 0, times 961 [ 93.129428][ T13] Call Trace: [ 93.129437][ T13] [ 93.148439][ T13] dump_stack_lvl+0x188/0x250 [ 93.153151][ T13] ? show_regs_print_info+0x20/0x20 [ 93.158374][ T13] ? load_image+0x410/0x410 [ 93.163424][ T13] ? prandom_u32+0x217/0x250 [ 93.168042][ T13] should_fail+0x383/0x4b0 [ 93.172502][ T13] should_failslab+0x5/0x20 [ 93.177043][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 93.182038][ T13] kmem_cache_alloc_node+0x47/0x2c0 [ 93.187283][ T13] ? __alloc_skb+0xf4/0x750 [ 93.191833][ T13] __alloc_skb+0xf4/0x750 [ 93.196223][ T13] nsim_dev_trap_report_work+0x25c/0xab0 [ 93.202210][ T13] process_one_work+0x867/0xff0 [ 93.207128][ T13] ? worker_detach_from_pool+0x240/0x240 [ 93.212804][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 93.218193][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 93.223333][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 93.228953][ T13] ? wq_worker_running+0x97/0x170 [ 93.234010][ T13] worker_thread+0xad7/0x12a0 [ 93.238771][ T13] kthread+0x42e/0x520 [ 93.242947][ T13] ? rcu_lock_release+0x20/0x20 [ 93.248061][ T13] ? kthread_blkcg+0xd0/0xd0 [ 93.252708][ T13] ret_from_fork+0x1f/0x30 [ 93.257341][ T13] [ 93.260400][ T4266] CPU: 1 PID: 4266 Comm: kworker/1:6 Not tainted syzkaller #0 [ 93.268077][ T4266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.278250][ T4266] Workqueue: events nsim_dev_trap_report_work [ 93.284458][ T4266] Call Trace: [ 93.288042][ T4266] [ 93.291102][ T4266] dump_stack_lvl+0x188/0x250 [ 93.295937][ T4266] ? show_regs_print_info+0x20/0x20 [ 93.301179][ T4266] ? load_image+0x410/0x410 [ 93.305737][ T4266] ? prandom_u32+0x217/0x250 [ 93.310381][ T4266] should_fail+0x383/0x4b0 [ 93.314843][ T4266] should_failslab+0x5/0x20 [ 93.319461][ T4266] slab_pre_alloc_hook+0x51/0xc0 [ 93.324442][ T4266] __kmalloc_node_track_caller+0x68/0x3a0 [ 93.330185][ T4266] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 93.336027][ T4266] ? __alloc_skb+0xf4/0x750 [ 93.340594][ T4266] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 93.346433][ T4266] __alloc_skb+0x22c/0x750 [ 93.351143][ T4266] nsim_dev_trap_report_work+0x25c/0xab0 [ 93.356816][ T4266] process_one_work+0x867/0xff0 [ 93.361702][ T4266] ? worker_detach_from_pool+0x240/0x240 [ 93.367355][ T4266] ? lockdep_hardirqs_off+0x70/0x100 [ 93.372754][ T4266] ? _raw_spin_lock_irq+0xb7/0xf0 [ 93.377889][ T4266] ? _raw_spin_lock_irqsave+0x100/0x100 [ 93.383463][ T4266] ? wq_worker_running+0x97/0x170 [ 93.388518][ T4266] worker_thread+0xad7/0x12a0 [ 93.393232][ T4266] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 93.399156][ T4266] kthread+0x42e/0x520 [ 93.403250][ T4266] ? rcu_lock_release+0x20/0x20 [ 93.408129][ T4266] ? kthread_blkcg+0xd0/0xd0 [ 93.412764][ T4266] ret_from_fork+0x1f/0x30 [ 93.417441][ T4266] [ 93.420495][ T4200] CPU: 0 PID: 4200 Comm: syz-executor Not tainted syzkaller #0 [ 93.428095][ T4200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.431803][ T3549] FAULT_INJECTION: forcing a failure. [ 93.431803][ T3549] name failslab, interval 1, probability 1, space 0, times 957 [ 93.438191][ T4200] Call Trace: [ 93.438202][ T4200] [ 93.438212][ T4200] dump_stack_lvl+0x188/0x250 [ 93.438245][ T4200] ? show_regs_print_info+0x20/0x20 [ 93.468536][ T4200] ? load_image+0x410/0x410 [ 93.473972][ T4200] ? prandom_u32+0x217/0x250 [ 93.478746][ T4200] should_fail+0x383/0x4b0 [ 93.483296][ T4200] should_failslab+0x5/0x20 [ 93.488135][ T4200] slab_pre_alloc_hook+0x51/0xc0 [ 93.493482][ T4200] __kmalloc_node_track_caller+0x68/0x3a0 [ 93.499364][ T4200] ? alloc_uevent_skb+0x7d/0x230 [ 93.504778][ T4200] ? __alloc_skb+0xf4/0x750 [ 93.509340][ T4200] ? alloc_uevent_skb+0x7d/0x230 [ 93.514504][ T4200] __alloc_skb+0x22c/0x750 [ 93.519086][ T4200] alloc_uevent_skb+0x7d/0x230 [ 93.523687][ T4268] FAULT_INJECTION: forcing a failure. [ 93.523687][ T4268] name failslab, interval 1, probability 1, space 0, times 957 [ 93.524130][ T4200] kobject_uevent_net_broadcast+0x17e/0x530 [ 93.541312][ T2] FAULT_INJECTION: forcing a failure. [ 93.541312][ T2] name failslab, interval 1, probability 1, space 0, times 957 [ 93.544158][ T4200] kobject_uevent_env+0x550/0x890 [ 93.562177][ T4200] __kobject_del+0xd1/0x2e0 [ 93.566822][ T4200] kobject_put+0x22f/0x450 [ 93.571397][ T4200] netdev_queue_update_kobjects+0x382/0x3e0 [ 93.577349][ T4200] netdev_register_kobject+0x273/0x320 [ 93.582904][ T4200] register_netdevice+0x10e8/0x1720 [ 93.588171][ T4200] ? netif_stacked_transfer_operstate+0x200/0x200 [ 93.594761][ T4200] ? ieee80211_debugfs_add_netdev+0xe10/0xee0 [ 93.600910][ T4200] cfg80211_register_netdevice+0x155/0x2f0 [ 93.606784][ T4200] ieee80211_if_add+0x1002/0x1e00 [ 93.611876][ T4200] ieee80211_register_hw+0x2b39/0x3a60 [ 93.617394][ T4200] ? ieee80211_register_hw+0xb21/0x3a60 [ 93.623182][ T4200] ? ieee80211_tasklet_handler+0x20/0x20 [ 93.628970][ T4200] ? hrtimer_init+0x10c/0x220 [ 93.633976][ T4200] mac80211_hwsim_new_radio+0x209d/0x4050 [ 93.639788][ T4200] hwsim_new_radio_nl+0xa7d/0xc50 [ 93.644877][ T4200] genl_rcv_msg+0xd0b/0xfa0 [ 93.649844][ T4200] ? genl_bind+0x370/0x370 [ 93.655044][ T4200] ? __dev_queue_xmit+0x1b64/0x2e50 [ 93.660565][ T4200] ? verify_lock_unused+0x140/0x140 [ 93.665828][ T4200] ? dev_queue_xmit+0x20/0x20 [ 93.671111][ T4200] ? hwsim_tx_info_frame_received_nl+0xec0/0xec0 [ 93.677564][ T4200] netlink_rcv_skb+0x1e9/0x430 [ 93.682394][ T4200] ? genl_bind+0x370/0x370 [ 93.687648][ T4200] ? netlink_ack+0xb10/0xb10 [ 93.693166][ T4200] ? down_read+0x1aa/0x2e0 [ 93.698024][ T4200] genl_rcv+0x24/0x40 [ 93.702421][ T4200] netlink_unicast+0x78f/0x940 [ 93.707547][ T4200] netlink_sendmsg+0x8ba/0xbe0 [ 93.712792][ T4200] ? netlink_getsockopt+0x570/0x570 [ 93.718173][ T4200] ? aa_sock_msg_perm+0x94/0x150 [ 93.723178][ T4200] ? apparmor_socket_sendmsg+0x88/0x230 [ 93.728801][ T4200] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 93.734209][ T4200] ? security_socket_sendmsg+0x7c/0xa0 [ 93.739908][ T4200] __sys_sendto+0x46d/0x620 [ 93.744655][ T4200] ? __ia32_sys_getpeername+0x80/0x80 [ 93.750119][ T4200] ? lock_chain_count+0x20/0x20 [ 93.755009][ T4200] __x64_sys_sendto+0xda/0xf0 [ 93.759715][ T4200] do_syscall_64+0x4c/0xa0 [ 93.764388][ T4200] ? clear_bhb_loop+0x30/0x80 [ 93.769556][ T4200] ? clear_bhb_loop+0x30/0x80 [ 93.774328][ T4200] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 93.780278][ T4200] RIP: 0033:0x7fefd36e46ce [ 93.784770][ T4200] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 93.801239][ T3246] FAULT_INJECTION: forcing a failure. [ 93.801239][ T3246] name failslab, interval 1, probability 1, space 0, times 957 [ 93.805466][ T4200] RSP: 002b:00007fffaf179d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 93.805498][ T4200] RAX: ffffffffffffffda RBX: 0000555571749500 RCX: 00007fefd36e46ce [ 93.805516][ T4200] RDX: 0000000000000024 RSI: 00007fefd44da670 RDI: 0000000000000003 [ 93.805532][ T4200] RBP: 0000000000000001 R08: 00007fffaf179e14 R09: 000000000000000c [ 93.805549][ T4200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 93.805564][ T4200] R13: 0000000000000000 R14: 00007fefd44da670 R15: 0000000000000000 [ 93.870834][ T4200] [ 93.873970][ T3246] CPU: 1 PID: 3246 Comm: mld Not tainted syzkaller #0 [ 93.880927][ T3246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 93.891042][ T3246] Workqueue: mld mld_dad_work [ 93.895772][ T3246] Call Trace: [ 93.899083][ T3246] [ 93.902054][ T3246] dump_stack_lvl+0x188/0x250 [ 93.906780][ T3246] ? show_regs_print_info+0x20/0x20 [ 93.909722][ T4200] ieee80211 phy9: Failed to add default virtual iface [ 93.912014][ T3246] ? load_image+0x410/0x410 [ 93.921135][ T4200] FAULT_INJECTION: forcing a failure. [ 93.921135][ T4200] name failslab, interval 1, probability 1, space 0, times 956 [ 93.923301][ T3246] ? prandom_u32+0x217/0x250 [ 93.940662][ T3246] should_fail+0x383/0x4b0 [ 93.945112][ T3246] should_failslab+0x5/0x20 [ 93.949631][ T3246] slab_pre_alloc_hook+0x51/0xc0 [ 93.955400][ T3246] kmem_cache_alloc_node+0x47/0x2c0 [ 93.960679][ T3246] ? __alloc_skb+0xf4/0x750 [ 93.965283][ T3246] __alloc_skb+0xf4/0x750 [ 93.969655][ T3246] mld_newpack+0x12f/0xba0 [ 93.974225][ T3246] ? mld_sendpack+0xc40/0xc40 [ 93.979151][ T3246] add_grec+0x1364/0x1840 [ 93.984134][ T3246] mld_send_initial_cr+0x288/0x540 [ 93.987598][ T13] Bluetooth: hci1: command 0x0419 tx timeout [ 93.989295][ T3246] mld_dad_work+0x39/0x470 [ 94.000249][ T3246] process_one_work+0x867/0xff0 [ 94.005349][ T3246] ? worker_detach_from_pool+0x240/0x240 [ 94.011428][ T3246] ? lockdep_hardirqs_off+0x70/0x100 [ 94.016902][ T3246] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.018885][ T13] FAULT_INJECTION: forcing a failure. [ 94.018885][ T13] name failslab, interval 1, probability 1, space 0, times 956 [ 94.022088][ T3246] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.022115][ T3246] ? set_cpus_allowed_ptr+0x44/0x70 [ 94.046694][ T3246] rescuer_thread+0x6ef/0xf80 [ 94.051664][ T3246] kthread+0x42e/0x520 [ 94.056108][ T3246] ? numa_pwq_tbl_install+0x3f0/0x3f0 [ 94.063398][ T3246] ? kthread_blkcg+0xd0/0xd0 [ 94.068328][ T3246] ret_from_fork+0x1f/0x30 [ 94.072795][ T3246] [ 94.075845][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 94.083463][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.085009][ T1108] FAULT_INJECTION: forcing a failure. [ 94.085009][ T1108] name failslab, interval 1, probability 1, space 0, times 956 [ 94.093975][ T13] Workqueue: rcu_gp wait_rcu_exp_gp [ 94.094038][ T13] Call Trace: [ 94.094052][ T13] [ 94.094062][ T13] dump_stack_lvl+0x188/0x250 [ 94.124032][ T13] ? show_regs_print_info+0x20/0x20 [ 94.129305][ T13] ? load_image+0x410/0x410 [ 94.134090][ T13] ? prandom_u32+0x217/0x250 [ 94.138731][ T13] should_fail+0x383/0x4b0 [ 94.143375][ T13] should_failslab+0x5/0x20 [ 94.147910][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 94.152887][ T13] ? __debug_object_init+0x7f7/0xc80 [ 94.158193][ T13] kmem_cache_alloc+0x3d/0x280 [ 94.162979][ T13] __debug_object_init+0x7f7/0xc80 [ 94.168131][ T13] ? debug_object_init+0x10/0x10 [ 94.173105][ T13] ? lock_chain_count+0x20/0x20 [ 94.177979][ T13] schedule_timeout+0x12d/0x2d0 [ 94.182850][ T13] ? console_conditional_schedule+0x40/0x40 [ 94.188780][ T13] rcu_exp_sel_wait_wake+0x81e/0x1d30 [ 94.194193][ T13] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 94.200224][ T13] ? rcu_check_gp_start_stall+0x460/0x460 [ 94.205985][ T13] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.211916][ T13] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.217280][ T13] process_one_work+0x867/0xff0 [ 94.222182][ T13] ? worker_detach_from_pool+0x240/0x240 [ 94.227851][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 94.233422][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.238587][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.244180][ T13] ? wq_worker_running+0x97/0x170 [ 94.249292][ T13] worker_thread+0xad7/0x12a0 [ 94.254051][ T13] kthread+0x42e/0x520 [ 94.258150][ T13] ? rcu_lock_release+0x20/0x20 [ 94.263112][ T13] ? kthread_blkcg+0xd0/0xd0 [ 94.267724][ T13] ret_from_fork+0x1f/0x30 [ 94.272178][ T13] [ 94.275245][ T1108] CPU: 1 PID: 1108 Comm: kworker/1:2 Not tainted syzkaller #0 [ 94.282850][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.293028][ T1108] Workqueue: ipv6_addrconf addrconf_dad_work [ 94.299139][ T1108] Call Trace: [ 94.302458][ T1108] [ 94.305417][ T1108] dump_stack_lvl+0x188/0x250 [ 94.310192][ T1108] ? show_regs_print_info+0x20/0x20 [ 94.315585][ T1108] ? load_image+0x410/0x410 [ 94.320139][ T1108] ? prandom_u32+0x217/0x250 [ 94.324786][ T1108] should_fail+0x383/0x4b0 [ 94.329276][ T1108] should_failslab+0x5/0x20 [ 94.333820][ T1108] slab_pre_alloc_hook+0x51/0xc0 [ 94.338789][ T1108] ? __debug_object_init+0x7f7/0xc80 [ 94.344200][ T1108] kmem_cache_alloc+0x3d/0x280 [ 94.349100][ T1108] __debug_object_init+0x7f7/0xc80 [ 94.354250][ T1108] ? debug_object_init+0x10/0x10 [ 94.359245][ T1108] ? memset+0x1e/0x40 [ 94.363363][ T1108] ? lockdep_softirqs_off+0x430/0x430 [ 94.368764][ T1108] ? neigh_release+0x80/0x80 [ 94.373380][ T1108] init_timer_key+0x3d/0x2a0 [ 94.378000][ T1108] ___neigh_create+0x9ee/0x2210 [ 94.382901][ T1108] ip6_finish_output2+0x9f5/0x1530 [ 94.388072][ T1108] ? nf_hook+0x360/0x360 [ 94.392429][ T1108] ? ip6_mtu+0x2fb/0x3d0 [ 94.396778][ T1108] ? ip6_finish_output+0x627/0x790 [ 94.402386][ T1108] ndisc_send_skb+0xb7a/0x1410 [ 94.407207][ T1108] ? ndisc_alloc_skb+0x420/0x420 [ 94.412269][ T1108] ? rcu_lock_release+0x20/0x20 [ 94.417250][ T1108] ? ndisc_send_ns+0x367/0x860 [ 94.422056][ T1108] ? skb_put+0x10e/0x200 [ 94.426338][ T1108] ndisc_send_ns+0x662/0x860 [ 94.430974][ T1108] ? ndisc_send_skb+0x1410/0x1410 [ 94.436036][ T1108] ? __local_bh_enable_ip+0x136/0x1c0 [ 94.441433][ T1108] ? _local_bh_enable+0xa0/0xa0 [ 94.446334][ T1108] addrconf_dad_work+0xa2e/0x1530 [ 94.451617][ T1108] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 94.457874][ T1108] ? rcu_lock_release+0x20/0x20 [ 94.462763][ T1108] ? read_lock_is_recursive+0x10/0x10 [ 94.468450][ T1108] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.474424][ T1108] ? _raw_spin_unlock+0x40/0x40 [ 94.479660][ T1108] ? _raw_spin_unlock_irq+0x1f/0x40 [ 94.484985][ T1108] process_one_work+0x867/0xff0 [ 94.489936][ T1108] ? worker_detach_from_pool+0x240/0x240 [ 94.495739][ T1108] ? lockdep_hardirqs_off+0x70/0x100 [ 94.501225][ T1108] ? _raw_spin_lock_irq+0xb7/0xf0 [ 94.506315][ T1108] ? _raw_spin_lock_irqsave+0x100/0x100 [ 94.512219][ T1108] ? wq_worker_running+0x97/0x170 [ 94.517407][ T1108] worker_thread+0xad7/0x12a0 [ 94.522198][ T1108] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 94.528289][ T1108] kthread+0x42e/0x520 [ 94.532421][ T1108] ? rcu_lock_release+0x20/0x20 [ 94.537317][ T1108] ? kthread_blkcg+0xd0/0xd0 [ 94.541941][ T1108] ret_from_fork+0x1f/0x30 [ 94.546399][ T1108] [ 94.549437][ T4200] CPU: 0 PID: 4200 Comm: syz-executor Not tainted syzkaller #0 [ 94.551353][ T4189] FAULT_INJECTION: forcing a failure. [ 94.551353][ T4189] name failslab, interval 1, probability 1, space 0, times 954 [ 94.557037][ T4200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.557055][ T4200] Call Trace: [ 94.557065][ T4200] [ 94.557074][ T4200] dump_stack_lvl+0x188/0x250 [ 94.557111][ T4200] ? show_regs_print_info+0x20/0x20 [ 94.596773][ T4200] ? load_image+0x410/0x410 [ 94.601333][ T4200] ? prandom_u32+0x217/0x250 [ 94.605971][ T4200] should_fail+0x383/0x4b0 [ 94.610447][ T4200] should_failslab+0x5/0x20 [ 94.614971][ T4200] slab_pre_alloc_hook+0x51/0xc0 [ 94.619938][ T4200] ? __debug_object_init+0x907/0xc80 [ 94.625256][ T4200] kmem_cache_alloc+0x3d/0x280 [ 94.626677][ T155] FAULT_INJECTION: forcing a failure. [ 94.626677][ T155] name failslab, interval 1, probability 1, space 0, times 953 [ 94.630137][ T4200] __debug_object_init+0x907/0xc80 [ 94.648232][ T4200] ? debug_object_init+0x10/0x10 [ 94.653194][ T4200] ? memset+0x1e/0x40 [ 94.657226][ T4200] init_timer_key+0x3d/0x2a0 SYZFAIL: pipe failed (errno 12: Cannot allocate memory) [ 94.661867][ T4200] sock_init_data_uid+0x6d/0xbd0 [ 94.666862][ T4200] unix_create1+0xd1/0x610 [ 94.671321][ T4200] unix_create+0x139/0x1f0 [ 94.675763][ T4200] __sock_create+0x473/0x910 [ 94.680386][ T4200] __sys_socket+0xe2/0x170 [ 94.684825][ T4200] __x64_sys_socket+0x76/0x80 [ 94.689526][ T4200] do_syscall_64+0x4c/0xa0 [ 94.693959][ T4200] ? clear_bhb_loop+0x30/0x80 [ 94.698658][ T4200] ? clear_bhb_loop+0x30/0x80 [ 94.703369][ T4200] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 94.709307][ T4200] RIP: 0033:0x7fefd3725707 [ 94.713760][ T4200] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 94.733504][ T4200] RSP: 002b:00007fffaf179d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 94.741949][ T4200] RAX: ffffffffffffffda RBX: 00007fffaf179e82 RCX: 00007fefd3725707 [ 94.750046][ T4200] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 94.758211][ T4200] RBP: 0000000000000022 R08: 00007fffaf179e90 R09: 0000000000000001 [ 94.766658][ T4200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.776523][ T4200] R13: 000000000000002a R14: 00007fefd44da620 R15: 00007fffaf179e82 [ 94.785007][ T4200] [ 94.788245][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 94.794420][ C0] FAULT_INJECTION: forcing a failure. [ 94.794420][ C0] name failslab, interval 1, probability 1, space 0, times 951 [ 94.795915][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 94.795935][ T9] Workqueue: writeback wb_workfn (flush-8:0) [ 94.795972][ T9] Call Trace: [ 94.828559][ T9] [ 94.831526][ T9] dump_stack_lvl+0x188/0x250 [ 94.836340][ T9] ? show_regs_print_info+0x20/0x20 [ 94.841811][ T9] ? load_image+0x410/0x410 [ 94.846436][ T9] ? prandom_u32+0x217/0x250 [ 94.851140][ T9] should_fail+0x383/0x4b0 [ 94.855594][ T9] should_failslab+0x5/0x20 [ 94.860131][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 94.865108][ T9] ? mempool_alloc+0x19d/0x510 [ 94.869920][ T9] kmem_cache_alloc+0x3d/0x280 [ 94.874726][ T9] ? mempool_free+0x320/0x320 [ 94.879441][ T9] mempool_alloc+0x19d/0x510 [ 94.884071][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 94.889149][ T9] ? mempool_resize+0x860/0x860 [ 94.894051][ T9] bio_alloc_bioset+0x121/0x870 [ 94.898948][ T9] submit_bh_wbc+0x1c0/0x670 [ 94.903567][ T9] ? create_page_buffers+0x238/0x320 [ 94.908879][ T9] __block_write_full_page+0x8f0/0x1180 [ 94.914449][ T9] ? mark_buffer_write_io_error+0x360/0x360 [ 94.920372][ T9] ? blkdev_fallocate+0x4a0/0x4a0 [ 94.925423][ T9] __writepage+0x63/0x130 [ 94.929780][ T9] write_cache_pages+0x997/0xfb0 [ 94.934749][ T9] ? generic_writepages+0x170/0x170 [ 94.939984][ T9] ? tag_pages_for_writeback+0x4b0/0x4b0 [ 94.945636][ T9] ? mark_lock+0x94/0x320 [ 94.950034][ T9] generic_writepages+0x104/0x170 [ 94.955083][ T9] ? clear_page_dirty_for_io+0x9f0/0x9f0 [ 94.960764][ T9] ? do_raw_spin_lock+0x128/0x2f0 [ 94.965907][ T9] ? __rwlock_init+0x140/0x140 [ 94.970729][ T9] ? do_raw_spin_unlock+0x11d/0x230 [ 94.975973][ T9] ? blkdev_readpage+0x20/0x20 [ 94.980980][ T9] do_writepages+0x493/0x700 [ 94.986151][ T9] ? __writepage+0x130/0x130 [ 94.991111][ T9] ? writeback_sb_inodes+0x6b7/0x1750 [ 94.996788][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 95.003018][ T9] ? do_raw_spin_lock+0x128/0x2f0 [ 95.008292][ T9] __writeback_single_inode+0x153/0xda0 [ 95.013892][ T9] writeback_sb_inodes+0xaaa/0x1750 [ 95.019142][ T9] ? queue_io+0x530/0x530 [ 95.023498][ T9] ? __rwlock_init+0x140/0x140 [ 95.028405][ T9] __writeback_inodes_wb+0x12a/0x3f0 [ 95.033939][ T9] wb_writeback+0x45e/0xbc0 [ 95.038519][ T9] ? rcu_lock_release+0x20/0x20 [ 95.043408][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 95.049454][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 95.054617][ T9] ? cpumask_next+0xb3/0xd0 [ 95.059388][ T9] wb_workfn+0xb15/0xf20 [ 95.063684][ T9] ? inode_wait_for_writeback+0x220/0x220 [ 95.069531][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 95.075537][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 95.080586][ T9] ? read_lock_is_recursive+0x10/0x10 [ 95.085980][ T9] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 95.091897][ T9] ? _raw_spin_unlock_irq+0x1f/0x40 [ 95.097211][ T9] process_one_work+0x867/0xff0 [ 95.102113][ T9] ? worker_detach_from_pool+0x240/0x240 [ 95.107761][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 95.113096][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 95.118150][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 95.123748][ T9] ? wq_worker_running+0x97/0x170 [ 95.128803][ T9] worker_thread+0xad7/0x12a0 [ 95.133539][ T9] kthread+0x42e/0x520 [ 95.137808][ T9] ? rcu_lock_release+0x20/0x20 [ 95.142679][ T9] ? kthread_blkcg+0xd0/0xd0 [ 95.147388][ T9] ret_from_fork+0x1f/0x30 [ 95.152313][ T9] [ 95.155568][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 95.162902][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.173143][ C0] Call Trace: [ 95.176462][ C0] [ 95.179584][ C0] dump_stack_lvl+0x188/0x250 [ 95.184319][ C0] ? show_regs_print_info+0x20/0x20 [ 95.189782][ C0] ? load_image+0x410/0x410 [ 95.194590][ C0] ? prandom_u32+0x217/0x250 [ 95.199581][ C0] should_fail+0x383/0x4b0 [ 95.204424][ C0] should_failslab+0x5/0x20 [ 95.209350][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 95.214489][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 95.220099][ C0] ? __alloc_skb+0xf4/0x750 [ 95.224937][ C0] __alloc_skb+0xf4/0x750 [ 95.229627][ C0] ndisc_alloc_skb+0xa6/0x420 [ 95.234861][ C0] ndisc_send_rs+0x271/0x700 [ 95.239927][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 95.240099][ C1] FAULT_INJECTION: forcing a failure. [ 95.240099][ C1] name failslab, interval 1, probability 1, space 0, times 951 [ 95.245045][ C0] addrconf_rs_timer+0x367/0x640 [ 95.245073][ C0] ? detach_timer+0x33/0x2b0 [ 95.245102][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 95.275111][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 95.281335][ C0] call_timer_fn+0x17b/0x540 [ 95.285966][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 95.293640][ C0] ? __run_timers+0x810/0x810 [ 95.298828][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 95.304668][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 95.309915][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 95.316097][ C0] __run_timers+0x56c/0x810 [ 95.320649][ C0] ? detach_timer+0x2b0/0x2b0 [ 95.325338][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 95.331442][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 95.336319][ C0] run_timer_softirq+0x63/0xf0 [ 95.341111][ C0] handle_softirqs+0x336/0x830 [ 95.345911][ C0] ? run_ksoftirqd+0xa4/0x100 [ 95.350628][ C0] ? do_softirq+0x210/0x210 [ 95.355155][ C0] ? run_ksoftirqd+0x81/0x100 [ 95.359969][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 95.365211][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 95.370534][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 95.375756][ C0] run_ksoftirqd+0xa4/0x100 [ 95.380279][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 95.385497][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 95.390897][ C0] ? smpboot_thread_fn+0x5d9/0x990 [ 95.396033][ C0] smpboot_thread_fn+0x520/0x990 [ 95.401001][ C0] kthread+0x42e/0x520 [ 95.405087][ C0] ? cpu_report_death+0x180/0x180 [ 95.410317][ C0] ? kthread_blkcg+0xd0/0xd0 [ 95.414954][ C0] ret_from_fork+0x1f/0x30 [ 95.419399][ C0] [ 95.422527][ C1] CPU: 1 PID: 4189 Comm: syz-executor Not tainted syzkaller #0 [ 95.430111][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 95.440207][ C1] Call Trace: [ 95.443529][ C1] [ 95.446422][ C1] dump_stack_lvl+0x188/0x250 [ 95.451342][ C1] ? __x64_sys_sendto+0xda/0xf0 [ 95.452353][ C0] FAULT_INJECTION: forcing a failure. [ 95.452353][ C0] name failslab, interval 1, probability 1, space 0, times 950 [ 95.456323][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.456357][ C1] ? show_regs_print_info+0x20/0x20 [ 95.456385][ C1] ? load_image+0x410/0x410 [ 95.485307][ C1] ? prandom_u32+0x217/0x250 [ 95.489947][ C1] should_fail+0x383/0x4b0 [ 95.494395][ C1] should_failslab+0x5/0x20 [ 95.499315][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 95.504284][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 95.510203][ C1] ? __netdev_alloc_skb+0x110/0x4c0 [ 95.515456][ C1] ? __alloc_skb+0xf4/0x750 [ 95.519974][ C1] ? __netdev_alloc_skb+0x110/0x4c0 [ 95.525191][ C1] __alloc_skb+0x22c/0x750 [ 95.529628][ C1] __netdev_alloc_skb+0x110/0x4c0 [ 95.534676][ C1] ? __alloc_skb+0x750/0x750 [ 95.539288][ C1] ? mark_lock+0x94/0x320 [ 95.543647][ C1] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 95.549153][ C1] ? verify_lock_unused+0x140/0x140 [ 95.554574][ C1] ? ieee80211_beacon_get_template+0x30/0x30 [ 95.560698][ C1] ? verify_lock_unused+0x140/0x140 [ 95.565966][ C1] ieee80211_beacon_get_tim+0x48/0x840 [ 95.571837][ C1] mac80211_hwsim_beacon_tx+0x104/0x900 [ 95.577448][ C1] __iterate_interfaces+0x225/0x4c0 [ 95.582818][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 95.589211][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 95.595572][ C1] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 95.602622][ C1] mac80211_hwsim_beacon+0x9b/0x180 [ 95.607845][ C1] ? hw_scan_work+0xef0/0xef0 [ 95.612553][ C1] __hrtimer_run_queues+0x4ea/0xb60 [ 95.617807][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 95.622951][ C1] hrtimer_run_softirq+0x176/0x240 [ 95.628099][ C1] handle_softirqs+0x336/0x830 [ 95.632893][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 95.637787][ C1] ? do_softirq+0x210/0x210 [ 95.642337][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 95.647509][ C1] __irq_exit_rcu+0x13b/0x230 [ 95.652291][ C1] ? irq_exit_rcu+0x20/0x20 [ 95.657240][ C1] irq_exit_rcu+0x5/0x20 [ 95.661546][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 95.667211][ C1] [ 95.670168][ C1] [ 95.673128][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 95.679394][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0x7/0x30 [ 95.686195][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 <48> c7 c7 00 b7 1f 8c be 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf [ 95.706600][ C1] RSP: 0018:ffffc90002e3f458 EFLAGS: 00000293 [ 95.712787][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff888079733b80 [ 95.721391][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 95.729732][ C1] RBP: ffffc90002e3f560 R08: 0000000000000003 R09: 0000000000000004 [ 95.738297][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 95.746501][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920005c7e90 [ 95.754711][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 95.760484][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 95.766169][ C1] dump_stack_lvl+0x161/0x250 [ 95.770905][ C1] ? show_regs_print_info+0x20/0x20 [ 95.776128][ C1] ? load_image+0x410/0x410 [ 95.780763][ C1] ? prandom_u32+0x217/0x250 [ 95.785605][ C1] should_fail+0x383/0x4b0 [ 95.790183][ C1] should_failslab+0x5/0x20 [ 95.794886][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 95.799896][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 95.805224][ C1] ? __alloc_skb+0xf4/0x750 [ 95.809817][ C1] __alloc_skb+0xf4/0x750 [ 95.814191][ C1] ctrl_getfamily+0x3cd/0x5b0 [ 95.819145][ C1] ? nla_put_string+0x30/0x30 [ 95.823994][ C1] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x290 [ 95.830458][ C1] genl_rcv_msg+0xd0b/0xfa0 [ 95.835367][ C1] ? genl_bind+0x370/0x370 [ 95.839868][ C1] ? __dev_queue_xmit+0x1b64/0x2e50 [ 95.845125][ C1] ? verify_lock_unused+0x140/0x140 [ 95.850459][ C1] ? dev_queue_xmit+0x20/0x20 [ 95.855163][ C1] ? nla_put_string+0x30/0x30 [ 95.859852][ C1] ? ctrl_getfamily+0x5b0/0x5b0 [ 95.864725][ C1] netlink_rcv_skb+0x1e9/0x430 [ 95.869519][ C1] ? genl_bind+0x370/0x370 [ 95.873968][ C1] ? netlink_ack+0xb10/0xb10 [ 95.878596][ C1] ? down_read+0x1aa/0x2e0 [ 95.883057][ C1] genl_rcv+0x24/0x40 [ 95.887079][ C1] netlink_unicast+0x78f/0x940 [ 95.891905][ C1] netlink_sendmsg+0x8ba/0xbe0 [ 95.896713][ C1] ? netlink_getsockopt+0x570/0x570 [ 95.901946][ C1] ? aa_sock_msg_perm+0x94/0x150 [ 95.907129][ C1] ? apparmor_socket_sendmsg+0x88/0x230 [ 95.912969][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 95.918297][ C1] ? security_socket_sendmsg+0x7c/0xa0 [ 95.923795][ C1] __sys_sendto+0x46d/0x620 [ 95.928359][ C1] ? __ia32_sys_getpeername+0x80/0x80 [ 95.933837][ C1] ? lock_chain_count+0x20/0x20 [ 95.938740][ C1] __x64_sys_sendto+0xda/0xf0 [ 95.943460][ C1] do_syscall_64+0x4c/0xa0 [ 95.948105][ C1] ? clear_bhb_loop+0x30/0x80 [ 95.953158][ C1] ? clear_bhb_loop+0x30/0x80 [ 95.957850][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 95.963777][ C1] RIP: 0033:0x7fe1ade7b6ce [ 95.968213][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 95.987848][ C1] RSP: 002b:00007ffee98069d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 95.996373][ C1] RAX: ffffffffffffffda RBX: 000055555a511500 RCX: 00007fe1ade7b6ce [ 96.004367][ C1] RDX: 0000000000000020 RSI: 00007fe1aec71670 RDI: 0000000000000003 [ 96.012369][ C1] RBP: 0000000000000001 R08: 00007ffee9806a54 R09: 000000000000000c [ 96.020393][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 96.028398][ C1] R13: 00007ffee9806aa8 R14: 00007fe1aec71670 R15: 0000000000000000 [ 96.036405][ C1] [ 96.039451][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 96.046883][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.056976][ C0] Call Trace: [ 96.060281][ C0] [ 96.063236][ C0] dump_stack_lvl+0x188/0x250 [ 96.068119][ C0] ? show_regs_print_info+0x20/0x20 [ 96.073351][ C0] ? load_image+0x410/0x410 [ 96.077887][ C0] ? prandom_u32+0x217/0x250 [ 96.082516][ C0] should_fail+0x383/0x4b0 [ 96.086957][ C0] should_failslab+0x5/0x20 [ 96.091840][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 96.096800][ C0] __kmalloc_node+0x6d/0x3a0 [ 96.101405][ C0] ? memcg_alloc_page_obj_cgroups+0x7d/0x120 [ 96.107402][ C0] ? __lock_acquire+0x7b50/0x7b50 [ 96.112467][ C0] memcg_alloc_page_obj_cgroups+0x7d/0x120 [ 96.118328][ C0] new_slab+0x100/0x4b0 [ 96.122652][ C0] ___slab_alloc+0x807/0xdd0 [ 96.127297][ C0] ? dst_alloc+0x101/0x160 [ 96.131776][ C0] ? dst_alloc+0x101/0x160 [ 96.136245][ C0] kmem_cache_alloc+0xf0/0x280 [ 96.141053][ C0] ? ipv6_sysctl_rtcache_flush+0xf0/0xf0 [ 96.146714][ C0] dst_alloc+0x101/0x160 [ 96.151187][ C0] icmp6_dst_alloc+0x7e/0x470 [ 96.156164][ C0] ? icmpv6_flow_init+0x5e/0x120 [ 96.161162][ C0] ndisc_send_skb+0x3d1/0x1410 [ 96.166176][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 96.171169][ C0] ? ndisc_send_rs+0x524/0x700 [ 96.176144][ C0] addrconf_rs_timer+0x367/0x640 [ 96.181123][ C0] ? detach_timer+0x33/0x2b0 [ 96.185765][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 96.191873][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 96.197980][ C0] call_timer_fn+0x17b/0x540 [ 96.202600][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 96.208696][ C0] ? __run_timers+0x810/0x810 [ 96.213399][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 96.218622][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 96.223848][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 96.230078][ C0] __run_timers+0x56c/0x810 [ 96.234627][ C0] ? detach_timer+0x2b0/0x2b0 [ 96.239335][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 96.245365][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 96.250263][ C0] run_timer_softirq+0x63/0xf0 [ 96.255081][ C0] handle_softirqs+0x336/0x830 [ 96.259918][ C0] ? run_ksoftirqd+0xa4/0x100 [ 96.264646][ C0] ? do_softirq+0x210/0x210 [ 96.269193][ C0] ? run_ksoftirqd+0x81/0x100 [ 96.273963][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.279206][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 96.284528][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.289752][ C0] run_ksoftirqd+0xa4/0x100 [ 96.294288][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.299638][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 96.305040][ C0] ? smpboot_thread_fn+0x5d9/0x990 [ 96.310178][ C0] smpboot_thread_fn+0x520/0x990 [ 96.315203][ C0] kthread+0x42e/0x520 [ 96.319410][ C0] ? cpu_report_death+0x180/0x180 [ 96.324483][ C0] ? kthread_blkcg+0xd0/0xd0 [ 96.329118][ C0] ret_from_fork+0x1f/0x30 [ 96.333688][ C0] [ 96.335527][ T3075] FAULT_INJECTION: forcing a failure. [ 96.335527][ T3075] name failslab, interval 1, probability 1, space 0, times 949 [ 96.352128][ C0] FAULT_INJECTION: forcing a failure. [ 96.352128][ C0] name failslab, interval 1, probability 1, space 0, times 948 [ 96.365249][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 96.372573][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.382639][ C0] Call Trace: [ 96.385930][ C0] [ 96.388884][ C0] dump_stack_lvl+0x188/0x250 [ 96.393591][ C0] ? show_regs_print_info+0x20/0x20 [ 96.398803][ C0] ? load_image+0x410/0x410 [ 96.403341][ C0] should_fail+0x383/0x4b0 [ 96.407863][ C0] should_failslab+0x5/0x20 [ 96.412819][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 96.417769][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 96.423505][ C0] ? skb_copy+0x122/0x6f0 [ 96.427849][ C0] ? __alloc_skb+0xf4/0x750 [ 96.432390][ C0] ? skb_copy+0x122/0x6f0 [ 96.436728][ C0] __alloc_skb+0x22c/0x750 [ 96.441158][ C0] skb_copy+0x122/0x6f0 [ 96.445340][ C0] mac80211_hwsim_tx_frame_no_nl+0xc88/0x15c0 [ 96.451457][ C0] ? seqcount_lockdep_reader_access+0xa0/0x1d0 [ 96.457733][ C0] ? mac80211_hwsim_tx_frame_nl+0xba0/0xba0 [ 96.463663][ C0] mac80211_hwsim_tx_frame+0x1b5/0x200 [ 96.469143][ C0] mac80211_hwsim_beacon_tx+0x4d0/0x900 [ 96.474716][ C0] __iterate_interfaces+0x225/0x4c0 [ 96.480048][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 96.486322][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 96.492585][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 96.499622][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 96.504996][ C0] ? hw_scan_work+0xef0/0xef0 [ 96.509710][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 96.514952][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 96.520114][ C0] hrtimer_run_softirq+0x176/0x240 [ 96.525254][ C0] handle_softirqs+0x336/0x830 [ 96.530137][ C0] ? run_ksoftirqd+0xa4/0x100 [ 96.534851][ C0] ? do_softirq+0x210/0x210 [ 96.539713][ C0] ? run_ksoftirqd+0x81/0x100 [ 96.544424][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.549632][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 96.554947][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.560167][ C0] run_ksoftirqd+0xa4/0x100 [ 96.564810][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 96.570119][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 96.575513][ C0] ? smpboot_thread_fn+0x5d9/0x990 [ 96.580681][ C0] smpboot_thread_fn+0x520/0x990 [ 96.585770][ C0] kthread+0x42e/0x520 [ 96.589878][ C0] ? cpu_report_death+0x180/0x180 [ 96.594939][ C0] ? kthread_blkcg+0xd0/0xd0 [ 96.599555][ C0] ret_from_fork+0x1f/0x30 [ 96.604010][ C0] [ 96.620996][ T7] cfg80211: failed to load regulatory.db [ 96.623731][ T3560] FAULT_INJECTION: forcing a failure. [ 96.623731][ T3560] name failslab, interval 1, probability 1, space 0, times 947 [ 96.627682][ T1236] FAULT_INJECTION: forcing a failure. [ 96.627682][ T1236] name failslab, interval 1, probability 1, space 0, times 947 [ 96.652966][ T4268] CPU: 0 PID: 4268 Comm: syz.2.3 Not tainted syzkaller #0 [ 96.660132][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 96.665606][ T15] FAULT_INJECTION: forcing a failure. [ 96.665606][ T15] name failslab, interval 1, probability 1, space 0, times 947 [ 96.670235][ T4268] Call Trace: [ 96.670247][ T4268] [ 96.690256][ T4268] dump_stack_lvl+0x188/0x250 [ 96.694986][ T4268] ? show_regs_print_info+0x20/0x20 [ 96.700438][ T4268] ? load_image+0x410/0x410 [ 96.705142][ T4268] ? prandom_u32+0x217/0x250 [ 96.710085][ T4268] should_fail+0x383/0x4b0 [ 96.714660][ T4268] should_failslab+0x5/0x20 [ 96.719336][ T4268] slab_pre_alloc_hook+0x51/0xc0 [ 96.723265][ T4287] FAULT_INJECTION: forcing a failure. [ 96.723265][ T4287] name failslab, interval 1, probability 1, space 0, times 947 [ 96.724327][ T4268] kmem_cache_alloc_trace+0x47/0x290 [ 96.742402][ T4268] ? apply_wqattrs_prepare+0x175/0xad0 [ 96.747925][ T4268] apply_wqattrs_prepare+0x175/0xad0 [ 96.753274][ T4268] ? mutex_lock_io_nested+0x60/0x60 [ 96.758533][ T4268] apply_workqueue_attrs+0xd0/0x170 [ 96.763771][ T4268] alloc_workqueue+0xf1e/0x1450 [ 96.768643][ T4268] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 96.774762][ T4268] ? apply_workqueue_attrs+0x170/0x170 [ 96.780269][ T4268] __btrfs_alloc_workqueue+0x174/0x450 [ 96.785770][ T4268] btrfs_alloc_workqueue+0x83/0x170 [ 96.791008][ T4268] btrfs_init_workqueues+0x199/0x890 [ 96.796582][ T4268] ? __btrfs_handle_fs_error+0x310/0x310 [ 96.802446][ T4268] open_ctree+0x14bc/0x3300 [ 96.807144][ T4268] ? bdi_register_va+0x54a/0x6c0 [ 96.812141][ T4268] ? assertfail+0x20/0x20 [ 96.816507][ T4268] ? vscnprintf+0x80/0x80 [ 96.820875][ T4268] btrfs_fill_super+0x1c2/0x2e0 [ 96.825779][ T4268] btrfs_mount_root+0x8cb/0x930 [ 96.830775][ T4268] ? btrfs_control_open+0x40/0x40 [ 96.835824][ T4268] ? kfree+0x4a/0x2a0 [ 96.839836][ T4268] ? vfs_parse_fs_string+0x10b/0x170 [ 96.845145][ T4268] ? vfs_parse_fs_param+0x420/0x420 [ 96.850368][ T4268] legacy_get_tree+0xe6/0x180 [ 96.855067][ T4268] ? btrfs_control_open+0x40/0x40 [ 96.860318][ T4268] vfs_get_tree+0x88/0x270 [ 96.864775][ T4268] vfs_kern_mount+0xba/0x150 [ 96.869461][ T4268] btrfs_mount+0x342/0xb10 [ 96.873909][ T4268] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 96.879226][ T4268] ? vfs_parse_fs_string+0x10b/0x170 [ 96.884561][ T4268] ? rcu_is_watching+0x11/0xa0 [ 96.889362][ T4268] ? vfs_parse_fs_string+0x10b/0x170 [ 96.894688][ T4268] ? vfs_parse_fs_string+0x10b/0x170 [ 96.900086][ T4268] ? vfs_parse_fs_param+0x420/0x420 [ 96.905327][ T4268] legacy_get_tree+0xe6/0x180 [ 96.910070][ T4268] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 96.915609][ T4268] vfs_get_tree+0x88/0x270 [ 96.920160][ T4268] do_new_mount+0x247/0xa40 [ 96.924698][ T4268] __se_sys_mount+0x2e3/0x3d0 [ 96.929421][ T4268] ? __x64_sys_mount+0xc0/0xc0 [ 96.934218][ T4268] ? lockdep_hardirqs_on+0x94/0x140 [ 96.939460][ T4268] ? __x64_sys_mount+0x1c/0xc0 [ 96.944290][ T4268] do_syscall_64+0x4c/0xa0 [ 96.948755][ T4268] ? clear_bhb_loop+0x30/0x80 [ 96.953512][ T4268] ? clear_bhb_loop+0x30/0x80 [ 96.958220][ T4268] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 96.964158][ T4268] RIP: 0033:0x7fcabb2ef10a [ 96.968616][ T4268] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 96.988289][ T4268] RSP: 002b:00007fcab9545e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.996747][ T4268] RAX: ffffffffffffffda RBX: 00007fcab9545ee0 RCX: 00007fcabb2ef10a [ 97.004753][ T4268] RDX: 00002000000055c0 RSI: 0000200000000440 RDI: 00007fcab9545ea0 [ 97.012772][ T4268] RBP: 00002000000055c0 R08: 00007fcab9545ee0 R09: 000000000300000a [ 97.020807][ T4268] R10: 000000000300000a R11: 0000000000000246 R12: 0000200000000440 [ 97.028825][ T4268] R13: 00007fcab9545ea0 R14: 00000000000055a3 R15: 0000200000000740 [ 97.036844][ T4268] [ 97.039908][ T155] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 97.047418][ T155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.057516][ T155] Workqueue: events_unbound cfg80211_wiphy_work [ 97.063811][ T155] Call Trace: [ 97.067124][ T155] [ 97.070090][ T155] dump_stack_lvl+0x188/0x250 [ 97.072524][ T13] FAULT_INJECTION: forcing a failure. [ 97.072524][ T13] name failslab, interval 1, probability 1, space 0, times 947 [ 97.074825][ T155] ? show_regs_print_info+0x20/0x20 [ 97.074856][ T155] ? load_image+0x410/0x410 [ 97.097445][ T155] should_fail+0x383/0x4b0 [ 97.102162][ T155] should_failslab+0x5/0x20 [ 97.106692][ T155] slab_pre_alloc_hook+0x51/0xc0 [ 97.111799][ T155] __kmalloc+0x6b/0x340 [ 97.116101][ T155] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 97.122491][ T155] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 97.128710][ T155] ? verify_lock_unused+0x140/0x140 [ 97.133979][ T155] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 97.140101][ T155] ? __lock_acquire+0x7b50/0x7b50 [ 97.145176][ T155] ieee80211_bss_info_update+0x6ba/0xa80 [ 97.150945][ T155] ? ieee80211_rx_bss_put+0x60/0x60 [ 97.156485][ T155] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 97.162324][ T155] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 97.168523][ T155] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 97.174271][ T155] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 97.180209][ T155] ? lockdep_hardirqs_on+0x94/0x140 [ 97.185431][ T155] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 97.191384][ T155] ? _raw_spin_unlock+0x40/0x40 [ 97.196265][ T155] ? kcov_remote_start+0x6a/0x490 [ 97.201346][ T155] ? kcov_remote_start+0xfa/0x490 [ 97.206439][ T155] ieee80211_iface_work+0x714/0xc50 [ 97.211705][ T155] ? _raw_spin_unlock_irq+0x1f/0x40 [ 97.216970][ T155] cfg80211_wiphy_work+0x224/0x260 [ 97.222142][ T155] process_one_work+0x867/0xff0 [ 97.227054][ T155] ? worker_detach_from_pool+0x240/0x240 [ 97.232717][ T155] ? lockdep_hardirqs_off+0x70/0x100 [ 97.238039][ T155] ? _raw_spin_lock_irq+0xb7/0xf0 [ 97.243120][ T155] ? _raw_spin_lock_irqsave+0x100/0x100 [ 97.248713][ T155] ? wq_worker_running+0x97/0x170 [ 97.253778][ T155] worker_thread+0xad7/0x12a0 [ 97.258516][ T155] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 97.264458][ T155] kthread+0x42e/0x520 [ 97.268572][ T155] ? rcu_lock_release+0x20/0x20 [ 97.273470][ T155] ? kthread_blkcg+0xd0/0xd0 [ 97.278119][ T155] ret_from_fork+0x1f/0x30 [ 97.282589][ T155] [ 97.285636][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 97.288643][ C1] FAULT_INJECTION: forcing a failure. [ 97.288643][ C1] name failslab, interval 1, probability 1, space 0, times 947 [ 97.292966][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.315821][ T13] Workqueue: events nsim_dev_trap_report_work [ 97.322133][ T13] Call Trace: [ 97.325439][ T13] [ 97.328386][ T13] dump_stack_lvl+0x188/0x250 [ 97.333121][ T13] ? show_regs_print_info+0x20/0x20 [ 97.338388][ T13] ? load_image+0x410/0x410 [ 97.342992][ T13] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 97.349115][ T13] ? prandom_u32+0x217/0x250 [ 97.353858][ T13] should_fail+0x383/0x4b0 [ 97.358311][ T13] should_failslab+0x5/0x20 [ 97.362874][ T13] slab_pre_alloc_hook+0x51/0xc0 [ 97.367842][ T13] kmem_cache_alloc_node+0x47/0x2c0 [ 97.373065][ T13] ? __alloc_skb+0xf4/0x750 [ 97.377602][ T13] __alloc_skb+0xf4/0x750 [ 97.381962][ T13] nsim_dev_trap_report_work+0x25c/0xab0 [ 97.387647][ T13] process_one_work+0x867/0xff0 [ 97.392639][ T13] ? worker_detach_from_pool+0x240/0x240 [ 97.398313][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 97.403636][ T13] ? _raw_spin_lock_irq+0xb7/0xf0 [ 97.408688][ T13] ? _raw_spin_lock_irqsave+0x100/0x100 [ 97.414359][ T13] ? wq_worker_running+0x97/0x170 [ 97.419495][ T13] worker_thread+0xad7/0x12a0 [ 97.424227][ T13] kthread+0x42e/0x520 [ 97.428336][ T13] ? rcu_lock_release+0x20/0x20 [ 97.433364][ T13] ? kthread_blkcg+0xd0/0xd0 [ 97.437998][ T13] ret_from_fork+0x1f/0x30 [ 97.442472][ T13] [ 97.445564][ C1] CPU: 1 PID: 4189 Comm: syz-executor Not tainted syzkaller #0 [ 97.453203][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 97.463755][ C1] Call Trace: [ 97.467084][ C1] [ 97.469972][ C1] dump_stack_lvl+0x188/0x250 [ 97.474702][ C1] ? show_regs_print_info+0x20/0x20 [ 97.479943][ C1] ? load_image+0x410/0x410 [ 97.484498][ C1] ? prandom_u32+0x217/0x250 [ 97.489371][ C1] should_fail+0x383/0x4b0 [ 97.493859][ C1] should_failslab+0x5/0x20 [ 97.498419][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 97.503482][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 97.508897][ C1] ? __alloc_skb+0xf4/0x750 [ 97.513442][ C1] __alloc_skb+0xf4/0x750 [ 97.517813][ C1] skb_copy+0x122/0x6f0 [ 97.522026][ C1] mac80211_hwsim_tx_frame_no_nl+0xc88/0x15c0 [ 97.528158][ C1] ? seqcount_lockdep_reader_access+0xa0/0x1d0 [ 97.534366][ C1] ? mac80211_hwsim_tx_frame_nl+0xba0/0xba0 [ 97.540332][ C1] mac80211_hwsim_tx_frame+0x1b5/0x200 [ 97.545847][ C1] mac80211_hwsim_beacon_tx+0x4d0/0x900 [ 97.551462][ C1] __iterate_interfaces+0x225/0x4c0 [ 97.556672][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 97.562936][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 97.569189][ C1] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 97.576236][ C1] mac80211_hwsim_beacon+0x9b/0x180 [ 97.581446][ C1] ? hw_scan_work+0xef0/0xef0 [ 97.586131][ C1] __hrtimer_run_queues+0x4ea/0xb60 [ 97.591358][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 97.596488][ C1] hrtimer_run_softirq+0x176/0x240 [ 97.601620][ C1] handle_softirqs+0x336/0x830 [ 97.606391][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 97.611253][ C1] ? do_softirq+0x210/0x210 [ 97.615756][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 97.620886][ C1] __irq_exit_rcu+0x13b/0x230 [ 97.625576][ C1] ? irq_exit_rcu+0x20/0x20 [ 97.630109][ C1] irq_exit_rcu+0x5/0x20 [ 97.634361][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 97.639998][ C1] [ 97.642956][ C1] [ 97.646000][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 97.652004][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0xe/0x30 [ 97.658169][ C1] Code: 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 48 c7 c7 00 b7 1f 8c 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf 0a 83 f8 ff 74 07 e8 [ 97.677797][ C1] RSP: 0018:ffffc90002e3f458 EFLAGS: 00000293 [ 97.683893][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff888079733b80 [ 97.692495][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 97.700680][ C1] RBP: ffffc90002e3f560 R08: 0000000000000003 R09: 0000000000000004 [ 97.709626][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 97.717785][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920005c7e90 [ 97.726432][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 97.732421][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 97.738209][ C1] dump_stack_lvl+0x161/0x250 [ 97.743629][ C1] ? show_regs_print_info+0x20/0x20 [ 97.749781][ C1] ? load_image+0x410/0x410 [ 97.754954][ C1] ? prandom_u32+0x217/0x250 [ 97.759948][ C1] should_fail+0x383/0x4b0 [ 97.764646][ C1] should_failslab+0x5/0x20 [ 97.769187][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 97.774187][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 97.779589][ C1] ? __alloc_skb+0xf4/0x750 [ 97.784116][ C1] __alloc_skb+0xf4/0x750 [ 97.788634][ C1] ctrl_getfamily+0x3cd/0x5b0 [ 97.793344][ C1] ? nla_put_string+0x30/0x30 [ 97.798050][ C1] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x290 [ 97.804467][ C1] genl_rcv_msg+0xd0b/0xfa0 [ 97.809028][ C1] ? genl_bind+0x370/0x370 [ 97.813491][ C1] ? __dev_queue_xmit+0x1b64/0x2e50 [ 97.818713][ C1] ? verify_lock_unused+0x140/0x140 [ 97.823945][ C1] ? dev_queue_xmit+0x20/0x20 [ 97.828653][ C1] ? nla_put_string+0x30/0x30 [ 97.833348][ C1] ? ctrl_getfamily+0x5b0/0x5b0 [ 97.838219][ C1] netlink_rcv_skb+0x1e9/0x430 [ 97.843018][ C1] ? genl_bind+0x370/0x370 [ 97.847445][ C1] ? netlink_ack+0xb10/0xb10 [ 97.852057][ C1] ? down_read+0x1aa/0x2e0 [ 97.856484][ C1] genl_rcv+0x24/0x40 [ 97.860478][ C1] netlink_unicast+0x78f/0x940 [ 97.865384][ C1] netlink_sendmsg+0x8ba/0xbe0 [ 97.870233][ C1] ? netlink_getsockopt+0x570/0x570 [ 97.875492][ C1] ? aa_sock_msg_perm+0x94/0x150 [ 97.880455][ C1] ? apparmor_socket_sendmsg+0x88/0x230 [ 97.886016][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 97.891553][ C1] ? security_socket_sendmsg+0x7c/0xa0 [ 97.897023][ C1] __sys_sendto+0x46d/0x620 [ 97.901546][ C1] ? __ia32_sys_getpeername+0x80/0x80 [ 97.906984][ C1] ? lock_chain_count+0x20/0x20 [ 97.911856][ C1] __x64_sys_sendto+0xda/0xf0 [ 97.916540][ C1] do_syscall_64+0x4c/0xa0 [ 97.921067][ C1] ? clear_bhb_loop+0x30/0x80 [ 97.925926][ C1] ? clear_bhb_loop+0x30/0x80 [ 97.930833][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 97.936782][ C1] RIP: 0033:0x7fe1ade7b6ce [ 97.941265][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 97.961339][ C1] RSP: 002b:00007ffee98069d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 97.969784][ C1] RAX: ffffffffffffffda RBX: 000055555a511500 RCX: 00007fe1ade7b6ce [ 97.978053][ C1] RDX: 0000000000000020 RSI: 00007fe1aec71670 RDI: 0000000000000003 [ 97.986140][ C1] RBP: 0000000000000001 R08: 00007ffee9806a54 R09: 000000000000000c [ 97.994250][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 98.002255][ C1] R13: 00007ffee9806aa8 R14: 00007fe1aec71670 R15: 0000000000000000 [ 98.010276][ C1] [ 98.016737][ T3549] CPU: 0 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 98.023767][ T3549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.033962][ T3549] Call Trace: [ 98.037300][ T3549] [ 98.040273][ T3549] dump_stack_lvl+0x188/0x250 [ 98.042458][ T1] FAULT_INJECTION: forcing a failure. [ 98.042458][ T1] name failslab, interval 1, probability 1, space 0, times 944 [ 98.045091][ T3549] ? show_regs_print_info+0x20/0x20 [ 98.045121][ T3549] ? load_image+0x410/0x410 [ 98.045156][ T3549] should_fail+0x383/0x4b0 [ 98.072785][ T3549] should_failslab+0x5/0x20 [ 98.077336][ T3549] slab_pre_alloc_hook+0x51/0xc0 [ 98.082511][ T3549] kmem_cache_alloc_trace+0x47/0x290 [ 98.087960][ T3549] ? apparmor_sk_alloc_security+0x74/0x100 [ 98.093799][ T3549] ? get_obj_cgroup_from_current+0x2bf/0x2f0 [ 98.100392][ T3549] apparmor_sk_alloc_security+0x74/0x100 [ 98.106140][ T3549] security_sk_alloc+0x6a/0xa0 [ 98.110942][ T3549] sk_prot_alloc+0x101/0x210 [ 98.115560][ T3549] sk_alloc+0x2f/0x310 [ 98.119658][ T3549] unix_create1+0xad/0x610 [ 98.124574][ T3549] unix_create+0x139/0x1f0 [ 98.129026][ T3549] __sock_create+0x473/0x910 [ 98.133772][ T3549] __sys_socket+0xe2/0x170 [ 98.138267][ T3549] __x64_sys_socket+0x76/0x80 [ 98.142996][ T3549] do_syscall_64+0x4c/0xa0 [ 98.147557][ T3549] ? clear_bhb_loop+0x30/0x80 [ 98.152305][ T3549] ? clear_bhb_loop+0x30/0x80 [ 98.157298][ T3549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 98.163240][ T3549] RIP: 0033:0x7fc0768a6707 [ 98.167720][ T3549] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 98.187392][ T3549] RSP: 002b:00007ffca6f74d08 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 98.195858][ T3549] RAX: ffffffffffffffda RBX: 0000000000000053 RCX: 00007fc0768a6707 [ 98.204154][ T3549] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 98.212188][ T3549] RBP: 00007fc076932560 R08: 0000000000000000 R09: 0000000000000000 [ 98.220313][ T3549] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 98.228440][ T3549] R13: 00007ffca6f74e30 R14: 0000000000000038 R15: 00007ffca6f74e30 [ 98.236629][ T3549] [ 98.239762][ T1] CPU: 1 PID: 1 Comm: init Not tainted syzkaller #0 [ 98.246483][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.256764][ T1] Call Trace: [ 98.258849][ T4233] FAULT_INJECTION: forcing a failure. [ 98.258849][ T4233] name failslab, interval 1, probability 1, space 0, times 944 [ 98.260084][ T1] [ 98.260097][ T1] dump_stack_lvl+0x188/0x250 [ 98.280892][ T1] ? show_regs_print_info+0x20/0x20 [ 98.286239][ T1] ? load_image+0x410/0x410 [ 98.290916][ T1] ? prandom_u32+0x217/0x250 [ 98.295555][ T1] should_fail+0x383/0x4b0 [ 98.300029][ T1] should_failslab+0x5/0x20 [ 98.304572][ T1] slab_pre_alloc_hook+0x51/0xc0 [ 98.309541][ T1] ? posix_lock_inode+0x242/0x3270 [ 98.314772][ T1] kmem_cache_alloc+0x3d/0x280 [ 98.319583][ T1] posix_lock_inode+0x242/0x3270 [ 98.324555][ T1] ? aa_path_link+0x8a0/0x8a0 [ 98.329344][ T1] ? lockdep_softirqs_off+0x430/0x430 [ 98.334829][ T1] ? posix_lock_file+0x50/0x50 [ 98.339618][ T1] ? bpf_lsm_file_lock+0x5/0x10 [ 98.344497][ T1] fcntl_setlk+0xa7f/0x1060 [ 98.349049][ T1] ? vfs_lock_file+0xd0/0xd0 [ 98.353675][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.359806][ T1] ? __might_fault+0xb3/0x110 [ 98.364532][ T1] ? _copy_from_user+0x111/0x170 [ 98.369523][ T1] do_fcntl+0x533/0x1360 [ 98.373835][ T1] ? __context_tracking_exit+0x4c/0x80 [ 98.379348][ T1] ? rcu_lock_release+0x20/0x20 [ 98.384255][ T1] ? __lock_acquire+0x7b50/0x7b50 [ 98.389323][ T1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.395338][ T1] ? tomoyo_file_fcntl+0x77/0x210 [ 98.400492][ T1] ? lock_chain_count+0x20/0x20 [ 98.405375][ T1] ? bpf_lsm_file_fcntl+0x5/0x10 [ 98.410360][ T1] ? security_file_fcntl+0x7c/0xa0 [ 98.415500][ T1] __se_sys_fcntl+0xcc/0x190 [ 98.420135][ T1] do_syscall_64+0x4c/0xa0 [ 98.424581][ T1] ? clear_bhb_loop+0x30/0x80 [ 98.429290][ T1] ? clear_bhb_loop+0x30/0x80 [ 98.434004][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 98.440457][ T1] RIP: 0033:0x7f9d6c878add [ 98.444904][ T1] Code: 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 c7 44 24 b8 10 00 00 00 48 89 44 24 c8 83 fe 09 74 1a b8 48 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8d 54 [ 98.464546][ T1] RSP: 002b:00007fffb610f548 EFLAGS: 00000293 ORIG_RAX: 0000000000000048 [ 98.473103][ T1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d6c878add [ 98.481301][ T1] RDX: 00007fffb610f550 RSI: 0000000000000007 RDI: 0000000000000003 [ 98.489657][ T1] RBP: 0000000000000003 R08: 00007fffb610f570 R09: 0000000000000000 [ 98.497664][ T1] R10: 0000000000000008 R11: 0000000000000293 R12: 0000000000000000 [ 98.505675][ T1] R13: 00007fffb610f570 R14: 0000000000000002 R15: 0000562fa3b8bd98 [ 98.513803][ T1] [ 98.516980][ T4233] CPU: 0 PID: 4233 Comm: kworker/0:8 Not tainted syzkaller #0 [ 98.524484][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.534588][ T4233] Workqueue: events nsim_dev_trap_report_work [ 98.540708][ T4233] Call Trace: [ 98.544045][ T4233] [ 98.547143][ T4233] dump_stack_lvl+0x188/0x250 [ 98.551868][ T4233] ? show_regs_print_info+0x20/0x20 [ 98.557123][ T4233] ? load_image+0x410/0x410 [ 98.561779][ T4233] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 98.567797][ T4233] ? prandom_u32+0x217/0x250 [ 98.572436][ T4233] should_fail+0x383/0x4b0 [ 98.577529][ T4233] should_failslab+0x5/0x20 [ 98.582105][ T4233] slab_pre_alloc_hook+0x51/0xc0 [ 98.587196][ T4233] kmem_cache_alloc_node+0x47/0x2c0 [ 98.592424][ T4233] ? __alloc_skb+0xf4/0x750 [ 98.596962][ T4233] __alloc_skb+0xf4/0x750 [ 98.601328][ T4233] nsim_dev_trap_report_work+0x25c/0xab0 [ 98.607003][ T4233] process_one_work+0x867/0xff0 [ 98.611901][ T4233] ? worker_detach_from_pool+0x240/0x240 [ 98.617551][ T4233] ? lockdep_hardirqs_off+0x70/0x100 [ 98.622866][ T4233] ? _raw_spin_lock_irq+0xb7/0xf0 [ 98.627921][ T4233] ? _raw_spin_lock_irqsave+0x100/0x100 [ 98.633618][ T4233] ? wq_worker_running+0x97/0x170 [ 98.638794][ T4233] worker_thread+0xad7/0x12a0 [ 98.643544][ T4233] kthread+0x42e/0x520 [ 98.648003][ T4233] ? rcu_lock_release+0x20/0x20 [ 98.652908][ T4233] ? kthread_blkcg+0xd0/0xd0 [ 98.657642][ T4233] ret_from_fork+0x1f/0x30 [ 98.662105][ T4233] [ 98.665155][ T15] CPU: 1 PID: 15 Comm: rcu_preempt Not tainted syzkaller #0 [ 98.672753][ T15] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.683045][ T15] Call Trace: [ 98.686805][ T15] [ 98.689856][ T15] dump_stack_lvl+0x188/0x250 [ 98.694572][ T15] ? show_regs_print_info+0x20/0x20 [ 98.699975][ T15] ? load_image+0x410/0x410 [ 98.704541][ T15] ? prandom_u32+0x217/0x250 [ 98.709186][ T15] should_fail+0x383/0x4b0 [ 98.713712][ T15] should_failslab+0x5/0x20 [ 98.718261][ T15] slab_pre_alloc_hook+0x51/0xc0 [ 98.723240][ T15] ? __debug_object_init+0x8e5/0xc80 [ 98.728569][ T15] kmem_cache_alloc+0x3d/0x280 [ 98.733393][ T15] __debug_object_init+0x8e5/0xc80 [ 98.738968][ T15] ? debug_object_init+0x10/0x10 [ 98.743980][ T15] schedule_timeout+0x12d/0x2d0 [ 98.748968][ T15] ? console_conditional_schedule+0x40/0x40 [ 98.754903][ T15] ? prepare_to_swait_event+0x33d/0x360 [ 98.760502][ T15] rcu_gp_fqs_loop+0x2be/0x11f0 [ 98.765385][ T15] ? _raw_spin_unlock_irq+0x1f/0x40 [ 98.770627][ T15] ? rcu_gp_init+0xd72/0x10f0 [ 98.775343][ T15] ? rcu_gp_init+0x10f0/0x10f0 [ 98.780266][ T15] ? _raw_spin_unlock_irq+0x1f/0x40 [ 98.785738][ T15] ? lockdep_hardirqs_on+0x94/0x140 [ 98.791286][ T15] rcu_gp_kthread+0x9a/0x370 [ 98.795912][ T15] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 98.801051][ T15] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 98.807090][ T15] ? __kthread_parkme+0x14e/0x1b0 [ 98.812239][ T15] kthread+0x42e/0x520 [ 98.816326][ T15] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 98.821455][ T15] ? kthread_blkcg+0xd0/0xd0 [ 98.826165][ T15] ret_from_fork+0x1f/0x30 [ 98.830719][ T15] [ 98.833770][ T3560] CPU: 0 PID: 3560 Comm: udevd Not tainted syzkaller #0 [ 98.840803][ T3560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 98.850889][ T3560] Call Trace: [ 98.854194][ T3560] [ 98.857156][ T3560] dump_stack_lvl+0x188/0x250 [ 98.861871][ T3560] ? show_regs_print_info+0x20/0x20 [ 98.867100][ T3560] ? load_image+0x410/0x410 [ 98.871693][ T3560] ? prandom_u32+0x217/0x250 [ 98.876322][ T3560] should_fail+0x383/0x4b0 [ 98.880777][ T3560] should_failslab+0x5/0x20 [ 98.885301][ T3560] slab_pre_alloc_hook+0x51/0xc0 [ 98.890289][ T3560] ? anon_vma_fork+0xea/0x520 [ 98.895007][ T3560] kmem_cache_alloc+0x3d/0x280 [ 98.899809][ T3560] anon_vma_fork+0xea/0x520 [ 98.904429][ T3560] ? copy_mm+0x8b6/0x13d0 [ 98.908791][ T3560] ? dup_userfaultfd+0xa7/0x5e0 [ 98.913680][ T3560] copy_mm+0x9df/0x13d0 [ 98.917881][ T3560] ? copy_signal+0x610/0x610 [ 98.922506][ T3560] ? __init_rwsem+0x11e/0x160 [ 98.927310][ T3560] ? copy_signal+0x501/0x610 [ 98.931930][ T3560] copy_process+0x17fb/0x3ec0 [ 98.936751][ T3560] ? lockdep_hardirqs_on_prepare+0x7c0/0x7c0 [ 98.942871][ T3560] ? __pidfd_prepare+0x140/0x140 [ 98.947930][ T3560] ? verify_lock_unused+0x140/0x140 [ 98.953432][ T3560] kernel_clone+0x23f/0x990 [ 98.958200][ T3560] ? create_io_thread+0x180/0x180 [ 98.963362][ T3560] __x64_sys_clone+0x19a/0x210 [ 98.968190][ T3560] ? __ia32_sys_vfork+0x130/0x130 [ 98.973435][ T3560] ? lockdep_hardirqs_on+0x94/0x140 [ 98.979065][ T3560] do_syscall_64+0x4c/0xa0 [ 98.983929][ T3560] ? clear_bhb_loop+0x30/0x80 [ 98.989285][ T3560] ? clear_bhb_loop+0x30/0x80 [ 98.994742][ T3560] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.000809][ T3560] RIP: 0033:0x7f433768a636 [ 99.005263][ T3560] Code: 89 df e8 6d e8 f6 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 52 89 c5 85 c0 75 31 64 48 8b 04 25 10 00 00 [ 99.024914][ T3560] RSP: 002b:00007ffc5a1434c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 99.033376][ T3560] RAX: ffffffffffffffda RBX: 00007ffc5a1434c8 RCX: 00007f433768a636 [ 99.041592][ T3560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 99.050444][ T3560] RBP: 00005627f956f910 R08: 0000000000000000 R09: 00005627f95778e0 [ 99.058692][ T3560] R10: 00007f4337552b50 R11: 0000000000000246 R12: 00007ffc5a143880 [ 99.066759][ T3560] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 99.074804][ T3560] [ 99.078149][ T4287] CPU: 1 PID: 4287 Comm: modprobe Not tainted syzkaller #0 [ 99.085514][ T4287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.095690][ T4287] Call Trace: [ 99.099043][ T4287] [ 99.101258][ T3549] FAULT_INJECTION: forcing a failure. [ 99.101258][ T3549] name failslab, interval 1, probability 1, space 0, times 942 [ 99.102008][ T4287] dump_stack_lvl+0x188/0x250 [ 99.119590][ T4287] ? show_regs_print_info+0x20/0x20 [ 99.124962][ T4287] ? load_image+0x410/0x410 [ 99.129518][ T4287] ? prandom_u32+0x217/0x250 [ 99.134257][ T4287] should_fail+0x383/0x4b0 [ 99.138717][ T4287] should_failslab+0x5/0x20 [ 99.143264][ T4287] slab_pre_alloc_hook+0x51/0xc0 [ 99.148244][ T4287] ? __alloc_file+0x25/0x240 [ 99.153105][ T4287] kmem_cache_alloc+0x3d/0x280 [ 99.158178][ T4287] ? mark_lock+0x94/0x320 [ 99.162953][ T4287] __alloc_file+0x25/0x240 [ 99.167503][ T4287] alloc_empty_file+0x90/0x180 [ 99.168615][ T9] FAULT_INJECTION: forcing a failure. [ 99.168615][ T9] name failslab, interval 1, probability 1, space 0, times 941 [ 99.172326][ T4287] path_openat+0x11c/0x2fb0 [ 99.172359][ T4287] ? __lock_acquire+0x13dc/0x7b50 [ 99.195451][ T4287] ? stack_trace_snprint+0xe0/0xe0 [ 99.201196][ T4287] ? verify_lock_unused+0x140/0x140 [ 99.206913][ T4287] ? verify_lock_unused+0x140/0x140 [ 99.212328][ T4287] ? __kasan_slab_alloc+0xa9/0xc0 [ 99.217395][ T4287] ? __kasan_slab_alloc+0x92/0xc0 [ 99.222676][ T4287] ? slab_post_alloc_hook+0x4c/0x380 [ 99.228115][ T4287] ? verify_lock_unused+0x140/0x140 [ 99.233362][ T4287] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.239522][ T4287] ? do_filp_open+0x400/0x400 [ 99.244326][ T4287] do_filp_open+0x1df/0x400 [ 99.248984][ T4287] ? vfs_tmpfile+0x300/0x300 [ 99.253734][ T4287] ? _raw_spin_unlock+0x24/0x40 [ 99.258714][ T4287] ? alloc_fd+0x59e/0x650 [ 99.263258][ T4287] do_sys_openat2+0x14b/0x500 [ 99.267989][ T4287] ? __lock_acquire+0x7b50/0x7b50 [ 99.273071][ T4287] ? do_sys_open+0xe0/0xe0 [ 99.277812][ T4287] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 99.284157][ T4287] ? lock_chain_count+0x20/0x20 [ 99.289101][ T4287] __x64_sys_openat+0x135/0x160 [ 99.294247][ T4287] do_syscall_64+0x4c/0xa0 [ 99.298760][ T4287] ? clear_bhb_loop+0x30/0x80 [ 99.303658][ T4287] ? clear_bhb_loop+0x30/0x80 [ 99.308390][ T4287] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 99.314320][ T4287] RIP: 0033:0x7f239d62e0ba [ 99.318770][ T4287] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 99.338424][ T4287] RSP: 002b:00007ffe99c4dc68 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 99.346877][ T4287] RAX: ffffffffffffffda RBX: 00007ffe99c4dce0 RCX: 00007f239d62e0ba [ 99.354880][ T4287] RDX: 0000000000080000 RSI: 00007ffe99c4dce0 RDI: 00000000ffffff9c [ 99.363127][ T4287] RBP: 00007ffe99c4dcd0 R08: 00007ffe99c4ded7 R09: 0000000000000000 [ 99.371732][ T4287] R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000001c [ 99.379748][ T4287] R13: 00007f239d60a000 R14: 00007ffe99c4def0 R15: 0000000000000000 [ 99.388021][ T4287] [ 99.391066][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 99.398389][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.408466][ T9] Workqueue: writeback wb_workfn (flush-8:0) [ 99.414491][ T9] Call Trace: [ 99.417816][ T9] [ 99.420776][ T9] dump_stack_lvl+0x188/0x250 [ 99.425510][ T9] ? show_regs_print_info+0x20/0x20 [ 99.430733][ T9] ? load_image+0x410/0x410 [ 99.435259][ T9] ? prandom_u32+0x217/0x250 [ 99.438567][ C1] FAULT_INJECTION: forcing a failure. [ 99.438567][ C1] name failslab, interval 1, probability 1, space 0, times 941 [ 99.439898][ T9] should_fail+0x383/0x4b0 [ 99.457649][ T9] should_failslab+0x5/0x20 [ 99.462201][ T9] slab_pre_alloc_hook+0x51/0xc0 [ 99.467179][ T9] ? jbd2__journal_start+0x1d2/0x5a0 [ 99.472613][ T9] kmem_cache_alloc+0x3d/0x280 [ 99.478562][ T9] jbd2__journal_start+0x1d2/0x5a0 [ 99.484339][ T9] __ext4_journal_start_sb+0x167/0x360 [ 99.489836][ T9] ext4_writepages+0xd7e/0x2d40 [ 99.494872][ T9] ? ext4_readpage+0x2e0/0x2e0 [ 99.499680][ T9] ? mark_lock+0x94/0x320 [ 99.504047][ T9] ? verify_lock_unused+0x140/0x140 [ 99.509280][ T9] ? __lock_acquire+0x13dc/0x7b50 [ 99.514387][ T9] ? writeback_sb_inodes+0x433/0x1750 [ 99.519852][ T9] ? ext4_readpage+0x2e0/0x2e0 [ 99.524937][ T9] do_writepages+0x493/0x700 [ 99.529910][ T9] ? __writepage+0x130/0x130 [ 99.535027][ T9] ? writeback_sb_inodes+0x6b7/0x1750 [ 99.540622][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 99.545705][ T9] ? do_raw_spin_lock+0x128/0x2f0 [ 99.550988][ T9] __writeback_single_inode+0x153/0xda0 [ 99.557470][ T9] writeback_sb_inodes+0xaaa/0x1750 [ 99.563185][ T9] ? locked_inode_to_wb_and_lock_list+0x207/0x300 [ 99.569898][ T9] ? reacquire_held_locks+0x319/0x5c0 [ 99.575677][ T9] ? queue_io+0x530/0x530 [ 99.580085][ T9] ? up_read+0x20/0x20 [ 99.584292][ T9] __writeback_inodes_wb+0x12a/0x3f0 [ 99.589829][ T9] wb_writeback+0x45e/0xbc0 [ 99.594518][ T9] ? rcu_lock_release+0x20/0x20 [ 99.600020][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 99.606265][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 99.611626][ T9] ? cpumask_next+0xb3/0xd0 [ 99.616171][ T9] wb_workfn+0xb15/0xf20 [ 99.620647][ T9] ? inode_wait_for_writeback+0x220/0x220 [ 99.626423][ T9] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 99.632443][ T9] ? __lock_acquire+0x7b50/0x7b50 [ 99.637691][ T9] ? read_lock_is_recursive+0x10/0x10 [ 99.643114][ T9] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 99.649055][ T9] ? _raw_spin_unlock_irq+0x1f/0x40 [ 99.654653][ T9] process_one_work+0x867/0xff0 [ 99.659557][ T9] ? worker_detach_from_pool+0x240/0x240 [ 99.665438][ T9] ? lockdep_hardirqs_off+0x70/0x100 [ 99.670850][ T9] ? _raw_spin_lock_irq+0xb7/0xf0 [ 99.675913][ T9] ? _raw_spin_lock_irqsave+0x100/0x100 [ 99.681581][ T9] ? wq_worker_running+0x97/0x170 [ 99.686666][ T9] worker_thread+0xad7/0x12a0 [ 99.691403][ T9] kthread+0x42e/0x520 [ 99.695536][ T9] ? rcu_lock_release+0x20/0x20 [ 99.700744][ T9] ? kthread_blkcg+0xd0/0xd0 [ 99.705562][ T9] ret_from_fork+0x1f/0x30 [ 99.710051][ T9] [ 99.713097][ C1] CPU: 1 PID: 3075 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 99.720688][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 99.730866][ C1] Workqueue: bat_events batadv_mcast_mla_update [ 99.737377][ C1] Call Trace: [ 99.740803][ C1] [ 99.743675][ C1] dump_stack_lvl+0x188/0x250 [ 99.746313][ T3560] udevd[3560]: fork of child failed: Cannot allocate memory [ 99.748681][ C1] ? show_regs_print_info+0x20/0x20 [ 99.761760][ C1] ? load_image+0x410/0x410 [ 99.766538][ C1] ? prandom_u32+0x217/0x250 [ 99.771177][ C1] should_fail+0x383/0x4b0 [ 99.775630][ C1] should_failslab+0x5/0x20 [ 99.780304][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 99.785302][ C1] kmem_cache_alloc_node+0x47/0x2c0 [ 99.790728][ C1] ? __alloc_skb+0xf4/0x750 [ 99.795388][ C1] __alloc_skb+0xf4/0x750 [ 99.799783][ C1] skb_copy+0x122/0x6f0 [ 99.803978][ C1] mac80211_hwsim_tx_frame_no_nl+0xc88/0x15c0 [ 99.810094][ C1] ? seqcount_lockdep_reader_access+0xa0/0x1d0 [ 99.816273][ C1] ? mac80211_hwsim_tx_frame_nl+0xba0/0xba0 [ 99.822202][ C1] mac80211_hwsim_tx_frame+0x1b5/0x200 [ 99.827789][ C1] mac80211_hwsim_beacon_tx+0x4d0/0x900 [ 99.833614][ C1] __iterate_interfaces+0x225/0x4c0 [ 99.839194][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 99.845610][ C1] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 99.853079][ C1] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 99.860160][ C1] mac80211_hwsim_beacon+0x9b/0x180 [ 99.865617][ C1] ? hw_scan_work+0xef0/0xef0 [ 99.870362][ C1] __hrtimer_run_queues+0x4ea/0xb60 [ 99.876420][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 99.881783][ C1] hrtimer_run_softirq+0x176/0x240 [ 99.886953][ C1] handle_softirqs+0x336/0x830 [ 99.892107][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 99.897011][ C1] ? do_softirq+0x210/0x210 [ 99.901646][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 99.906804][ C1] __irq_exit_rcu+0x13b/0x230 [ 99.911618][ C1] ? irq_exit_rcu+0x20/0x20 [ 99.916238][ C1] irq_exit_rcu+0x5/0x20 [ 99.920493][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 99.926237][ C1] [ 99.929189][ C1] [ 99.932137][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 99.938234][ C1] RIP: 0010:__printk_wait_on_cpu_lock+0x7/0x30 [ 99.944411][ C1] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 <48> c7 c7 00 b7 1f 8c be 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf [ 99.964023][ C1] RSP: 0018:ffffc9000cf0f8d8 EFLAGS: 00000293 [ 99.970229][ C1] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff88802b348000 [ 99.978943][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 99.987773][ C1] RBP: ffffc9000cf0f9d0 R08: 0000000000000003 R09: 0000000000000004 [ 99.995875][ C1] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 100.003974][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920019e1f20 [ 100.011963][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 100.017619][ C1] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 100.023279][ C1] dump_stack_lvl+0x161/0x250 [ 100.027992][ C1] ? show_regs_print_info+0x20/0x20 [ 100.033210][ C1] ? load_image+0x410/0x410 [ 100.037746][ C1] ? prandom_u32+0x217/0x250 [ 100.042374][ C1] should_fail+0x383/0x4b0 [ 100.046822][ C1] should_failslab+0x5/0x20 [ 100.051353][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 100.056490][ C1] kmem_cache_alloc_trace+0x47/0x290 [ 100.061971][ C1] ? batadv_mcast_mla_update+0xae5/0x3150 [ 100.067828][ C1] batadv_mcast_mla_update+0xae5/0x3150 [ 100.073601][ C1] ? batadv_mcast_tvlv_ogm_handler+0x230/0x230 [ 100.079782][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 100.085823][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 100.090871][ C1] ? read_lock_is_recursive+0x10/0x10 [ 100.096261][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.102175][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 100.107406][ C1] process_one_work+0x867/0xff0 [ 100.112283][ C1] ? worker_detach_from_pool+0x240/0x240 [ 100.118191][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 100.123495][ C1] ? _raw_spin_lock_irq+0xb7/0xf0 [ 100.128620][ C1] ? _raw_spin_lock_irqsave+0x100/0x100 [ 100.134197][ C1] ? wq_worker_running+0x97/0x170 [ 100.139330][ C1] worker_thread+0xad7/0x12a0 [ 100.144060][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.149964][ C1] kthread+0x42e/0x520 [ 100.154215][ C1] ? rcu_lock_release+0x20/0x20 [ 100.159271][ C1] ? kthread_blkcg+0xd0/0xd0 [ 100.163922][ C1] ret_from_fork+0x1f/0x30 [ 100.168372][ C1] [ 100.171520][ T3549] CPU: 0 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 100.178643][ T3549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.189008][ T3549] Call Trace: [ 100.192361][ T3549] [ 100.195565][ T3549] dump_stack_lvl+0x188/0x250 [ 100.200313][ T3549] ? show_regs_print_info+0x20/0x20 [ 100.205624][ T3549] ? load_image+0x410/0x410 [ 100.211203][ T3549] ? prandom_u32+0x217/0x250 [ 100.217512][ T3549] should_fail+0x383/0x4b0 [ 100.222128][ T3549] should_failslab+0x5/0x20 [ 100.226679][ T3549] slab_pre_alloc_hook+0x51/0xc0 [ 100.232055][ T3549] kmem_cache_alloc_node+0x47/0x2c0 [ 100.237276][ T3549] ? __alloc_skb+0xf4/0x750 [ 100.242090][ T3549] __alloc_skb+0xf4/0x750 [ 100.246502][ T3549] alloc_skb_with_frags+0xa7/0x720 [ 100.251813][ T3549] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 100.257856][ T3549] sock_alloc_send_pskb+0x87f/0x9a0 [ 100.263212][ T3549] ? sock_kzfree_s+0x50/0x50 [ 100.267853][ T3549] ? do_raw_spin_lock+0x128/0x2f0 [ 100.272925][ T3549] ? __rwlock_init+0x140/0x140 [ 100.277751][ T3549] ? mark_lock+0x94/0x320 [ 100.282227][ T3549] ? do_raw_spin_unlock+0x11d/0x230 [ 100.287459][ T3549] unix_dgram_sendmsg+0x6f8/0x19c0 [ 100.292851][ T3549] ? aa_sk_perm+0x7dc/0x910 [ 100.297411][ T3549] ? aa_af_perm+0x340/0x340 [ 100.301959][ T3549] ? unix_dgram_poll+0x680/0x680 [ 100.306938][ T3549] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 100.313395][ T3549] ? apparmor_socket_sendmsg+0x88/0x230 [ 100.318971][ T3549] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 100.324281][ T3549] ? security_socket_sendmsg+0x7c/0xa0 [ 100.329770][ T3549] __sys_sendto+0x46d/0x620 [ 100.334338][ T3549] ? __ia32_sys_getpeername+0x80/0x80 [ 100.339942][ T3549] ? lock_chain_count+0x20/0x20 [ 100.344852][ T3549] __x64_sys_sendto+0xda/0xf0 [ 100.349572][ T3549] do_syscall_64+0x4c/0xa0 [ 100.354010][ T3549] ? clear_bhb_loop+0x30/0x80 [ 100.358706][ T3549] ? clear_bhb_loop+0x30/0x80 [ 100.363416][ T3549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 100.369437][ T3549] RIP: 0033:0x7fc07682b407 [ 100.373885][ T3549] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 100.393605][ T3549] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 100.402042][ T3549] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 100.410035][ T3549] RDX: 0000000000000038 RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 100.418024][ T3549] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 100.426015][ T3549] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 100.434017][ T3549] R13: 00007ffca6f74e30 R14: 000000000000001d R15: 00007ffca6f74e30 [ 100.442024][ T3549] [ 100.445159][ T3075] CPU: 1 PID: 3075 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 100.453229][ T3075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.463342][ T3075] Workqueue: bat_events batadv_mcast_mla_update [ 100.469651][ T3075] Call Trace: [ 100.469642][ C0] FAULT_INJECTION: forcing a failure. [ 100.469642][ C0] name failslab, interval 1, probability 1, space 0, times 939 [ 100.473397][ T3075] [ 100.473412][ T3075] dump_stack_lvl+0x188/0x250 [ 100.473444][ T3075] ? show_regs_print_info+0x20/0x20 [ 100.500207][ T3075] ? load_image+0x410/0x410 [ 100.504858][ T3075] ? prandom_u32+0x217/0x250 [ 100.509497][ T3075] should_fail+0x383/0x4b0 [ 100.514051][ T3075] should_failslab+0x5/0x20 [ 100.518589][ T3075] slab_pre_alloc_hook+0x51/0xc0 [ 100.523673][ T3075] kmem_cache_alloc_trace+0x47/0x290 [ 100.528990][ T3075] ? batadv_mcast_mla_update+0xae5/0x3150 [ 100.534840][ T3075] batadv_mcast_mla_update+0xae5/0x3150 [ 100.540613][ T3075] ? batadv_mcast_tvlv_ogm_handler+0x230/0x230 [ 100.546816][ T3075] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 100.553334][ T3075] ? __lock_acquire+0x7b50/0x7b50 [ 100.558513][ T3075] ? read_lock_is_recursive+0x10/0x10 [ 100.563945][ T3075] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.570034][ T3075] ? _raw_spin_unlock_irq+0x1f/0x40 [ 100.575288][ T3075] process_one_work+0x867/0xff0 [ 100.580205][ T3075] ? worker_detach_from_pool+0x240/0x240 [ 100.585888][ T3075] ? lockdep_hardirqs_off+0x70/0x100 [ 100.591257][ T3075] ? _raw_spin_lock_irq+0xb7/0xf0 [ 100.596315][ T3075] ? _raw_spin_lock_irqsave+0x100/0x100 [ 100.601974][ T3075] ? wq_worker_running+0x97/0x170 [ 100.607043][ T3075] worker_thread+0xad7/0x12a0 [ 100.611772][ T3075] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 100.617714][ T3075] kthread+0x42e/0x520 [ 100.621826][ T3075] ? rcu_lock_release+0x20/0x20 [ 100.626701][ T3075] ? kthread_blkcg+0xd0/0xd0 [ 100.631317][ T3075] ret_from_fork+0x1f/0x30 [ 100.635771][ T3075] [ 100.638808][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 100.646140][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.656663][ C0] Call Trace: [ 100.659973][ C0] [ 100.662926][ C0] dump_stack_lvl+0x188/0x250 [ 100.667631][ C0] ? verify_lock_unused+0x140/0x140 [ 100.672863][ C0] ? show_regs_print_info+0x20/0x20 [ 100.679235][ C0] ? load_image+0x410/0x410 [ 100.683866][ C0] should_fail+0x383/0x4b0 [ 100.688522][ C0] should_failslab+0x5/0x20 [ 100.693064][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 100.698066][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 100.704370][ C0] ? __alloc_skb+0xf4/0x750 [ 100.709755][ C0] ? neigh_remove_one+0x4d8/0x5e0 [ 100.715560][ C0] __alloc_skb+0xf4/0x750 [ 100.720117][ C0] __neigh_notify+0x142/0x2e0 [ 100.724850][ C0] neigh_cleanup_and_release+0x9d/0x250 [ 100.730752][ C0] neigh_remove_one+0x4e0/0x5e0 [ 100.736290][ C0] ___neigh_create+0x48f/0x2210 [ 100.741989][ C0] ip6_finish_output2+0x9f5/0x1530 [ 100.747951][ C0] ? nf_hook+0x360/0x360 [ 100.752453][ C0] ? ip6_mtu+0x2fb/0x3d0 [ 100.756879][ C0] ? ip6_finish_output+0x627/0x790 [ 100.762144][ C0] ndisc_send_skb+0xb7a/0x1410 [ 100.767416][ C0] ? ndisc_alloc_skb+0x420/0x420 [ 100.772520][ C0] ? rcu_lock_release+0x20/0x20 [ 100.777639][ C0] ? ndisc_send_rs+0x305/0x700 [ 100.782550][ C0] ? ipv6_get_lladdr+0x33f/0x3b0 [ 100.787624][ C0] addrconf_rs_timer+0x367/0x640 [ 100.793385][ C0] ? detach_timer+0x33/0x2b0 [ 100.798200][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 100.804863][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 100.811073][ C0] call_timer_fn+0x17b/0x540 [ 100.815722][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 100.821825][ C0] ? __run_timers+0x810/0x810 [ 100.826559][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 100.831916][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 100.837143][ C0] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 100.843245][ C0] __run_timers+0x56c/0x810 [ 100.847804][ C0] ? detach_timer+0x2b0/0x2b0 [ 100.852513][ C0] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 100.858544][ C0] ? sched_clock_cpu+0x15/0x3c0 [ 100.863468][ C0] run_timer_softirq+0x63/0xf0 [ 100.868275][ C0] handle_softirqs+0x336/0x830 [ 100.873173][ C0] ? run_ksoftirqd+0xa4/0x100 [ 100.877898][ C0] ? do_softirq+0x210/0x210 [ 100.882436][ C0] ? run_ksoftirqd+0x81/0x100 [ 100.887181][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.892420][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 100.897337][ T155] FAULT_INJECTION: forcing a failure. [ 100.897337][ T155] name failslab, interval 1, probability 1, space 0, times 937 [ 100.897743][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.915817][ C0] run_ksoftirqd+0xa4/0x100 [ 100.920505][ C0] ? ksoftirqd_should_run+0x20/0x20 [ 100.925747][ C0] ? preempt_schedule_thunk+0x16/0x18 [ 100.931158][ C0] ? smpboot_thread_fn+0x5d9/0x990 [ 100.936311][ C0] smpboot_thread_fn+0x520/0x990 [ 100.941312][ C0] kthread+0x42e/0x520 [ 100.945519][ C0] ? cpu_report_death+0x180/0x180 [ 100.951207][ C0] ? kthread_blkcg+0xd0/0xd0 [ 100.955857][ C0] ret_from_fork+0x1f/0x30 [ 100.960322][ C0] [ 100.963370][ T155] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 100.971037][ T155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 100.978214][ T4231] FAULT_INJECTION: forcing a failure. [ 100.978214][ T4231] name failslab, interval 1, probability 1, space 0, times 936 [ 100.981579][ T155] Workqueue: events_unbound cfg80211_wiphy_work [ 101.001021][ T155] Call Trace: [ 101.004329][ T155] [ 101.007283][ T155] dump_stack_lvl+0x188/0x250 [ 101.012171][ T155] ? show_regs_print_info+0x20/0x20 [ 101.017412][ T155] ? load_image+0x410/0x410 [ 101.021951][ T155] should_fail+0x383/0x4b0 [ 101.026405][ T155] should_failslab+0x5/0x20 [ 101.030933][ T155] slab_pre_alloc_hook+0x51/0xc0 [ 101.035927][ T155] __kmalloc+0x6b/0x340 [ 101.040280][ T155] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 101.046843][ T155] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 101.053307][ T155] ? verify_lock_unused+0x140/0x140 [ 101.058566][ T155] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 101.064945][ T155] ? __lock_acquire+0x7b50/0x7b50 [ 101.070025][ T155] ieee80211_bss_info_update+0x6ba/0xa80 [ 101.075696][ T155] ? ieee80211_rx_bss_put+0x60/0x60 [ 101.080925][ T155] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 101.086858][ T155] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 101.093063][ T155] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 101.098804][ T155] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 101.105023][ T155] ? lockdep_hardirqs_on+0x94/0x140 [ 101.110427][ T155] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.116471][ T155] ? _raw_spin_unlock+0x40/0x40 [ 101.121382][ T155] ? kcov_remote_start+0x6a/0x490 [ 101.126553][ T155] ? kcov_remote_start+0xfa/0x490 [ 101.131601][ T155] ieee80211_iface_work+0x714/0xc50 [ 101.136918][ T155] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.142238][ T155] cfg80211_wiphy_work+0x224/0x260 [ 101.147382][ T155] process_one_work+0x867/0xff0 [ 101.152289][ T155] ? worker_detach_from_pool+0x240/0x240 [ 101.157949][ T155] ? lockdep_hardirqs_off+0x70/0x100 [ 101.163446][ T155] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.168496][ T155] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.174331][ T155] ? wq_worker_running+0x97/0x170 [ 101.179387][ T155] worker_thread+0xad7/0x12a0 [ 101.184109][ T155] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.190036][ T155] kthread+0x42e/0x520 [ 101.194758][ T155] ? rcu_lock_release+0x20/0x20 [ 101.199718][ T155] ? kthread_blkcg+0xd0/0xd0 [ 101.204331][ T155] ret_from_fork+0x1f/0x30 [ 101.208788][ T155] [ 101.211835][ T4231] CPU: 0 PID: 4231 Comm: kworker/0:7 Not tainted syzkaller #0 [ 101.218479][ C1] FAULT_INJECTION: forcing a failure. [ 101.218479][ C1] name failslab, interval 1, probability 1, space 0, times 936 [ 101.219508][ T4231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.243093][ T4231] Workqueue: events nsim_fib_event_work [ 101.248852][ T4231] Call Trace: [ 101.252442][ T4231] [ 101.255505][ T4231] dump_stack_lvl+0x188/0x250 [ 101.260969][ T4231] ? show_regs_print_info+0x20/0x20 [ 101.266324][ T4231] ? load_image+0x410/0x410 [ 101.271418][ T4231] ? prandom_u32+0x217/0x250 [ 101.276074][ T4231] should_fail+0x383/0x4b0 [ 101.280524][ T4231] should_failslab+0x5/0x20 [ 101.285078][ T4231] slab_pre_alloc_hook+0x51/0xc0 [ 101.290159][ T4231] kmem_cache_alloc_trace+0x47/0x290 [ 101.295678][ T4231] ? nsim_fib_event_work+0x1171/0x3380 [ 101.301165][ T4231] nsim_fib_event_work+0x1171/0x3380 [ 101.306490][ T4231] ? nsim_fib_create+0xac0/0xac0 [ 101.311456][ T4231] ? __rtnl_unlock+0x8d/0xa0 [ 101.316075][ T4231] ? verify_lock_unused+0x140/0x140 [ 101.321327][ T4231] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 101.327335][ T4231] ? __lock_acquire+0x7b50/0x7b50 [ 101.332391][ T4231] ? _raw_spin_unlock+0x40/0x40 [ 101.337265][ T4231] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.342493][ T4231] process_one_work+0x867/0xff0 [ 101.347395][ T4231] ? worker_detach_from_pool+0x240/0x240 [ 101.353054][ T4231] ? lockdep_hardirqs_off+0x70/0x100 [ 101.358534][ T4231] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.363639][ T4231] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.369282][ T4231] ? wq_worker_running+0x97/0x170 [ 101.374351][ T4231] worker_thread+0xd93/0x12a0 [ 101.379177][ T4231] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.385305][ T4231] kthread+0x42e/0x520 [ 101.389450][ T4231] ? rcu_lock_release+0x20/0x20 [ 101.394340][ T4231] ? kthread_blkcg+0xd0/0xd0 [ 101.399234][ T4231] ret_from_fork+0x1f/0x30 [ 101.403708][ T4231] [ 101.406755][ C1] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 101.414389][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 101.424489][ C1] Workqueue: events_unbound cfg80211_wiphy_work [ 101.430830][ C1] Call Trace: [ 101.434244][ C1] [ 101.437478][ C1] dump_stack_lvl+0x188/0x250 [ 101.440233][ T3549] FAULT_INJECTION: forcing a failure. [ 101.440233][ T3549] name failslab, interval 1, probability 1, space 0, times 935 [ 101.442233][ C1] ? worker_thread+0xad7/0x12a0 [ 101.455494][ T9] EXT4-fs (sda1): ext4_writepages: jbd2_start: 1024 pages, ino 2019; err -12 [ 101.460035][ C1] ? ret_from_fork+0x1f/0x30 [ 101.473459][ C1] ? show_regs_print_info+0x20/0x20 [ 101.478720][ C1] ? load_image+0x410/0x410 [ 101.483262][ C1] ? prandom_u32+0x217/0x250 [ 101.487896][ C1] should_fail+0x383/0x4b0 [ 101.492370][ C1] should_failslab+0x5/0x20 [ 101.496906][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 101.501896][ C1] __kmalloc_node_track_caller+0x68/0x3a0 [ 101.507666][ C1] ? __neigh_notify+0x142/0x2e0 [ 101.512549][ C1] ? __alloc_skb+0xf4/0x750 [ 101.517088][ C1] ? __neigh_notify+0x142/0x2e0 [ 101.521964][ C1] __alloc_skb+0x22c/0x750 [ 101.526407][ C1] __neigh_notify+0x142/0x2e0 [ 101.531330][ C1] neigh_cleanup_and_release+0x9d/0x250 [ 101.536901][ C1] neigh_remove_one+0x4e0/0x5e0 [ 101.541783][ C1] ___neigh_create+0x48f/0x2210 [ 101.546680][ C1] ip6_finish_output2+0x9f5/0x1530 [ 101.551824][ C1] ? nf_hook+0x360/0x360 [ 101.556096][ C1] ? ip6_mtu+0x2fb/0x3d0 [ 101.560363][ C1] ? ip6_finish_output+0x627/0x790 [ 101.565508][ C1] ndisc_send_skb+0xb7a/0x1410 [ 101.570315][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 101.575283][ C1] ? rcu_lock_release+0x20/0x20 [ 101.577491][ T3560] FAULT_INJECTION: forcing a failure. [ 101.577491][ T3560] name failslab, interval 1, probability 1, space 0, times 934 [ 101.580178][ C1] ? ndisc_send_rs+0x305/0x700 [ 101.597824][ C1] ? ipv6_get_lladdr+0x33f/0x3b0 [ 101.602945][ C1] addrconf_rs_timer+0x367/0x640 [ 101.607913][ C1] ? detach_timer+0x33/0x2b0 [ 101.612531][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 101.618629][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 101.624722][ C1] call_timer_fn+0x17b/0x540 [ 101.629337][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 101.635428][ C1] ? __run_timers+0x810/0x810 [ 101.640140][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.645447][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 101.650674][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 101.656768][ C1] __run_timers+0x56c/0x810 [ 101.661317][ C1] ? detach_timer+0x2b0/0x2b0 [ 101.666010][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 101.672019][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 101.676895][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 101.683162][ C1] run_timer_softirq+0x63/0xf0 [ 101.687964][ C1] handle_softirqs+0x336/0x830 [ 101.689086][ T4233] FAULT_INJECTION: forcing a failure. [ 101.689086][ T4233] name failslab, interval 1, probability 1, space 0, times 933 [ 101.692770][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 101.710526][ C1] ? do_softirq+0x210/0x210 [ 101.715072][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 101.720223][ C1] __irq_exit_rcu+0x13b/0x230 [ 101.724920][ C1] ? irq_exit_rcu+0x20/0x20 [ 101.729457][ C1] irq_exit_rcu+0x5/0x20 [ 101.733711][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 101.739506][ C1] [ 101.742456][ C1] [ 101.745401][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 101.751400][ C1] RIP: 0010:dump_stack_lvl+0x20e/0x250 [ 101.756881][ C1] Code: e8 77 d5 c0 f7 48 bb 00 00 00 00 00 fc ff df 4d 85 ed 75 07 e8 63 d5 c0 f7 eb 06 e8 5c d5 c0 f7 fb 48 c7 44 24 20 0e 36 e0 45 <31> c0 49 89 04 1f 49 89 44 1f 08 65 48 8b 04 25 28 00 00 00 48 3b [ 101.776592][ C1] RSP: 0018:ffffc90001f27380 EFLAGS: 00000293 [ 101.782688][ C1] RAX: ffffffff89b82c24 RBX: dffffc0000000000 RCX: ffff8880181ed940 [ 101.790687][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 101.798675][ C1] RBP: ffffc90001f27468 R08: ffffffff901ee12f R09: 1ffffffff203dc25 [ 101.806664][ C1] R10: dffffc0000000000 R11: fffffbfff203dc26 R12: dffffc0000000004 [ 101.814672][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920003e4e74 [ 101.822759][ C1] ? dump_stack_lvl+0x204/0x250 [ 101.827653][ C1] ? show_regs_print_info+0x20/0x20 [ 101.832893][ C1] ? load_image+0x410/0x410 [ 101.837451][ C1] should_fail+0x383/0x4b0 [ 101.841916][ C1] should_failslab+0x5/0x20 [ 101.846448][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 101.851420][ C1] __kmalloc+0x6b/0x340 [ 101.855590][ C1] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 101.861948][ C1] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 101.868141][ C1] ? verify_lock_unused+0x140/0x140 [ 101.873380][ C1] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 101.879573][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 101.884653][ C1] ieee80211_bss_info_update+0x6ba/0xa80 [ 101.890465][ C1] ? ieee80211_rx_bss_put+0x60/0x60 [ 101.895701][ C1] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 101.901550][ C1] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 101.907764][ C1] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 101.913593][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 101.919520][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 101.924761][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 101.930690][ C1] ? _raw_spin_unlock+0x40/0x40 [ 101.935561][ C1] ? kcov_remote_start+0x6a/0x490 [ 101.940610][ C1] ? kcov_remote_start+0xfa/0x490 [ 101.945666][ C1] ieee80211_iface_work+0x714/0xc50 [ 101.950898][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 101.956552][ C1] cfg80211_wiphy_work+0x224/0x260 [ 101.961690][ C1] process_one_work+0x867/0xff0 [ 101.966579][ C1] ? worker_detach_from_pool+0x240/0x240 [ 101.972240][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 101.977573][ C1] ? _raw_spin_lock_irq+0xb7/0xf0 [ 101.982619][ C1] ? _raw_spin_lock_irqsave+0x100/0x100 [ 101.988188][ C1] ? wq_worker_running+0x97/0x170 [ 101.993323][ C1] worker_thread+0xad7/0x12a0 [ 101.998028][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.004050][ C1] kthread+0x42e/0x520 [ 102.008142][ C1] ? rcu_lock_release+0x20/0x20 [ 102.013136][ C1] ? kthread_blkcg+0xd0/0xd0 [ 102.017773][ C1] ret_from_fork+0x1f/0x30 [ 102.022228][ C1] [ 102.025274][ T4233] CPU: 0 PID: 4233 Comm: kworker/0:8 Not tainted syzkaller #0 [ 102.032774][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.033506][ C1] FAULT_INJECTION: forcing a failure. [ 102.033506][ C1] name failslab, interval 1, probability 1, space 0, times 932 [ 102.042861][ T4233] Workqueue: events nsim_dev_trap_report_work [ 102.042895][ T4233] Call Trace: [ 102.042903][ T4233] [ 102.042913][ T4233] dump_stack_lvl+0x188/0x250 [ 102.042944][ T4233] ? show_regs_print_info+0x20/0x20 [ 102.078718][ T4233] ? load_image+0x410/0x410 [ 102.083345][ T4233] ? prandom_u32+0x217/0x250 [ 102.088250][ T4233] should_fail+0x383/0x4b0 [ 102.093051][ T4233] should_failslab+0x5/0x20 [ 102.097597][ T4233] slab_pre_alloc_hook+0x51/0xc0 [ 102.102757][ T4233] __kmalloc_node_track_caller+0x68/0x3a0 [ 102.108537][ T4233] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 102.114376][ T4233] ? __alloc_skb+0xf4/0x750 [ 102.118904][ T4233] ? nsim_dev_trap_report_work+0x25c/0xab0 [ 102.124736][ T4233] __alloc_skb+0x22c/0x750 [ 102.129185][ T4233] nsim_dev_trap_report_work+0x25c/0xab0 [ 102.134859][ T4233] process_one_work+0x867/0xff0 [ 102.139743][ T4233] ? worker_detach_from_pool+0x240/0x240 [ 102.145413][ T4233] ? lockdep_hardirqs_off+0x70/0x100 [ 102.150751][ T4233] ? _raw_spin_lock_irq+0xb7/0xf0 [ 102.155799][ T4233] ? _raw_spin_lock_irqsave+0x100/0x100 [ 102.161362][ T4233] ? wq_worker_running+0x97/0x170 [ 102.166406][ T4233] worker_thread+0xad7/0x12a0 [ 102.171131][ T4233] kthread+0x42e/0x520 [ 102.175213][ T4233] ? rcu_lock_release+0x20/0x20 [ 102.180084][ T4233] ? kthread_blkcg+0xd0/0xd0 [ 102.184700][ T4233] ret_from_fork+0x1f/0x30 [ 102.189149][ T4233] [ 102.192184][ C1] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 102.199681][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.210046][ C1] Workqueue: events_unbound cfg80211_wiphy_work [ 102.216352][ C1] Call Trace: [ 102.219660][ C1] [ 102.222520][ C1] dump_stack_lvl+0x188/0x250 [ 102.227220][ C1] ? show_regs_print_info+0x20/0x20 [ 102.232525][ C1] ? load_image+0x410/0x410 [ 102.237049][ C1] ? prandom_u32+0x217/0x250 [ 102.241774][ C1] should_fail+0x383/0x4b0 [ 102.246320][ C1] should_failslab+0x5/0x20 [ 102.250943][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 102.256000][ C1] ? __debug_object_init+0x96d/0xc80 [ 102.261431][ C1] kmem_cache_alloc+0x3d/0x280 [ 102.266272][ C1] __debug_object_init+0x96d/0xc80 [ 102.271453][ C1] ? should_fail+0x383/0x4b0 [ 102.276078][ C1] ? should_failslab+0x5/0x20 [ 102.281077][ C1] ? slab_pre_alloc_hook+0x51/0xc0 [ 102.286334][ C1] ? __kmalloc+0x6b/0x340 [ 102.291140][ C1] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 102.297612][ C1] ? process_one_work+0x867/0xff0 [ 102.302683][ C1] ? debug_object_init+0x10/0x10 [ 102.307656][ C1] ? memset+0x1e/0x40 [ 102.311960][ C1] ? lockdep_softirqs_off+0x430/0x430 [ 102.317393][ C1] ? neigh_release+0x80/0x80 [ 102.322010][ C1] init_timer_key+0x3d/0x2a0 [ 102.326633][ C1] ___neigh_create+0x9ee/0x2210 [ 102.331527][ C1] ip6_finish_output2+0x9f5/0x1530 [ 102.336673][ C1] ? nf_hook+0x360/0x360 [ 102.340944][ C1] ? ip6_mtu+0x2fb/0x3d0 [ 102.345295][ C1] ? ip6_finish_output+0x627/0x790 [ 102.350434][ C1] ndisc_send_skb+0xb7a/0x1410 [ 102.355230][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 102.360195][ C1] ? rcu_lock_release+0x20/0x20 [ 102.365158][ C1] ? ndisc_send_rs+0x524/0x700 [ 102.369945][ C1] addrconf_rs_timer+0x367/0x640 [ 102.374905][ C1] ? detach_timer+0x33/0x2b0 [ 102.379516][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.385610][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.391692][ C1] call_timer_fn+0x17b/0x540 [ 102.396306][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.402392][ C1] ? __run_timers+0x810/0x810 [ 102.407093][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 102.412402][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 102.417623][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 102.423743][ C1] __run_timers+0x56c/0x810 [ 102.428292][ C1] ? detach_timer+0x2b0/0x2b0 [ 102.433001][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 102.439019][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 102.443921][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 102.450321][ C1] run_timer_softirq+0x63/0xf0 [ 102.455912][ C1] handle_softirqs+0x336/0x830 [ 102.461019][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 102.466212][ C1] ? do_softirq+0x210/0x210 [ 102.470806][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 102.475968][ C1] __irq_exit_rcu+0x13b/0x230 [ 102.480693][ C1] ? irq_exit_rcu+0x20/0x20 [ 102.485230][ C1] irq_exit_rcu+0x5/0x20 [ 102.489503][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 102.495450][ C1] [ 102.498407][ C1] [ 102.501444][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 102.507464][ C1] RIP: 0010:dump_stack_lvl+0x20e/0x250 [ 102.512945][ C1] Code: e8 77 d5 c0 f7 48 bb 00 00 00 00 00 fc ff df 4d 85 ed 75 07 e8 63 d5 c0 f7 eb 06 e8 5c d5 c0 f7 fb 48 c7 44 24 20 0e 36 e0 45 <31> c0 49 89 04 1f 49 89 44 1f 08 65 48 8b 04 25 28 00 00 00 48 3b [ 102.532666][ C1] RSP: 0018:ffffc90001f27380 EFLAGS: 00000293 [ 102.538774][ C1] RAX: ffffffff89b82c24 RBX: dffffc0000000000 RCX: ffff8880181ed940 [ 102.546855][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 102.554859][ C1] RBP: ffffc90001f27468 R08: ffffffff901ee12f R09: 1ffffffff203dc25 [ 102.563288][ C1] R10: dffffc0000000000 R11: fffffbfff203dc26 R12: dffffc0000000004 [ 102.571284][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920003e4e74 [ 102.579564][ C1] ? dump_stack_lvl+0x204/0x250 [ 102.584584][ C1] ? show_regs_print_info+0x20/0x20 [ 102.589819][ C1] ? load_image+0x410/0x410 [ 102.594535][ C1] should_fail+0x383/0x4b0 [ 102.598977][ C1] should_failslab+0x5/0x20 [ 102.603497][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 102.608486][ C1] __kmalloc+0x6b/0x340 [ 102.613287][ C0] FAULT_INJECTION: forcing a failure. [ 102.613287][ C0] name failslab, interval 1, probability 1, space 0, times 930 [ 102.613621][ C1] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 102.633240][ C1] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 102.640292][ C1] ? verify_lock_unused+0x140/0x140 [ 102.645724][ C1] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 102.652102][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 102.657260][ C1] ieee80211_bss_info_update+0x6ba/0xa80 [ 102.663626][ C1] ? ieee80211_rx_bss_put+0x60/0x60 [ 102.669080][ C1] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 102.675265][ C1] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 102.681854][ C1] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 102.687711][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 102.693750][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 102.698971][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.704898][ C1] ? _raw_spin_unlock+0x40/0x40 [ 102.709806][ C1] ? kcov_remote_start+0x6a/0x490 [ 102.714859][ C1] ? kcov_remote_start+0xfa/0x490 [ 102.720297][ C1] ieee80211_iface_work+0x714/0xc50 [ 102.725693][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 102.730923][ C1] cfg80211_wiphy_work+0x224/0x260 [ 102.736075][ C1] process_one_work+0x867/0xff0 [ 102.740973][ C1] ? worker_detach_from_pool+0x240/0x240 [ 102.746634][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 102.752075][ C1] ? _raw_spin_lock_irq+0xb7/0xf0 [ 102.757134][ C1] ? _raw_spin_lock_irqsave+0x100/0x100 [ 102.762707][ C1] ? wq_worker_running+0x97/0x170 [ 102.767761][ C1] worker_thread+0xad7/0x12a0 [ 102.772606][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 102.778683][ C1] kthread+0x42e/0x520 [ 102.782789][ C1] ? rcu_lock_release+0x20/0x20 [ 102.787660][ C1] ? kthread_blkcg+0xd0/0xd0 [ 102.792280][ C1] ret_from_fork+0x1f/0x30 [ 102.796734][ C1] [ 102.799769][ C0] CPU: 0 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 102.804385][ C1] FAULT_INJECTION: forcing a failure. [ 102.804385][ C1] name failslab, interval 1, probability 1, space 0, times 929 [ 102.806749][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 102.806765][ C0] Call Trace: [ 102.806773][ C0] [ 102.806781][ C0] dump_stack_lvl+0x188/0x250 [ 102.841320][ C0] ? show_regs_print_info+0x20/0x20 [ 102.846550][ C0] ? load_image+0x410/0x410 [ 102.851312][ C0] ? __lock_acquire+0x1305/0x7b50 [ 102.857556][ C0] ? prandom_u32+0x217/0x250 [ 102.862295][ C0] should_fail+0x383/0x4b0 [ 102.866833][ C0] should_failslab+0x5/0x20 [ 102.871652][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 102.876748][ C0] kmem_cache_alloc_node+0x47/0x2c0 [ 102.882121][ C0] ? __alloc_skb+0xf4/0x750 [ 102.886687][ C0] __alloc_skb+0xf4/0x750 [ 102.891283][ C0] __netdev_alloc_skb+0x110/0x4c0 [ 102.896438][ C0] ? __alloc_skb+0x750/0x750 [ 102.901054][ C0] ? mark_lock+0x94/0x320 [ 102.905439][ C0] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 102.910929][ C0] ? verify_lock_unused+0x140/0x140 [ 102.916158][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 102.922158][ C0] ? verify_lock_unused+0x140/0x140 [ 102.927373][ C0] ? verify_lock_unused+0x140/0x140 [ 102.932602][ C0] ? ieee80211_get_buffered_bc+0x75e/0x860 [ 102.938467][ C0] ieee80211_beacon_get_tim+0x48/0x840 [ 102.943959][ C0] mac80211_hwsim_beacon_tx+0x104/0x900 [ 102.949539][ C0] __iterate_interfaces+0x225/0x4c0 [ 102.954761][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 102.961116][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 102.967408][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 102.974463][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 102.979689][ C0] ? hw_scan_work+0xef0/0xef0 [ 102.984394][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 102.989649][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 102.994803][ C0] hrtimer_run_softirq+0x176/0x240 [ 102.999948][ C0] handle_softirqs+0x336/0x830 [ 103.004838][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 103.010014][ C0] ? do_softirq+0x210/0x210 [ 103.014567][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 103.019839][ C0] __irq_exit_rcu+0x13b/0x230 [ 103.024570][ C0] ? irq_exit_rcu+0x20/0x20 [ 103.029117][ C0] irq_exit_rcu+0x5/0x20 [ 103.033440][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 103.039207][ C0] [ 103.042176][ C0] [ 103.045211][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 103.051500][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0x7/0x30 [ 103.057825][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 <48> c7 c7 00 b7 1f 8c be 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf [ 103.078146][ C0] RSP: 0018:ffffc900012df6b8 EFLAGS: 00000293 [ 103.084245][ C0] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff88807dca3b80 [ 103.092329][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 103.100347][ C0] RBP: ffffc900012df7c0 R08: 0000000000000003 R09: 0000000000000004 [ 103.108339][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 103.116431][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200025bedc [ 103.124443][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 103.130191][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 103.135842][ C0] dump_stack_lvl+0x161/0x250 [ 103.140552][ C0] ? show_regs_print_info+0x20/0x20 [ 103.145771][ C0] ? load_image+0x410/0x410 [ 103.150302][ C0] ? prandom_u32+0x217/0x250 [ 103.154935][ C0] should_fail+0x383/0x4b0 [ 103.159373][ C0] should_failslab+0x5/0x20 [ 103.163911][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 103.168872][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 103.174610][ C0] ? alloc_skb_with_frags+0xa7/0x720 [ 103.179916][ C0] ? __alloc_skb+0xf4/0x750 [ 103.184521][ C0] ? alloc_skb_with_frags+0xa7/0x720 [ 103.189829][ C0] __alloc_skb+0x22c/0x750 [ 103.194265][ C0] alloc_skb_with_frags+0xa7/0x720 [ 103.200159][ C0] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 103.206184][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 103.211641][ C0] ? sock_kzfree_s+0x50/0x50 [ 103.216268][ C0] ? do_raw_spin_lock+0x128/0x2f0 [ 103.221585][ C0] ? __rwlock_init+0x140/0x140 [ 103.226856][ C0] ? mark_lock+0x94/0x320 [ 103.231374][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 103.236615][ C0] unix_dgram_sendmsg+0x6f8/0x19c0 [ 103.241769][ C0] ? aa_sk_perm+0x7dc/0x910 [ 103.246311][ C0] ? aa_af_perm+0x340/0x340 [ 103.250858][ C0] ? unix_dgram_poll+0x680/0x680 [ 103.255855][ C0] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 103.262408][ C0] ? apparmor_socket_sendmsg+0x88/0x230 [ 103.267973][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 103.273288][ C0] ? security_socket_sendmsg+0x7c/0xa0 [ 103.278942][ C0] __sys_sendto+0x46d/0x620 [ 103.284204][ C0] ? __ia32_sys_getpeername+0x80/0x80 [ 103.289620][ C0] ? lock_chain_count+0x20/0x20 [ 103.294514][ C0] __x64_sys_sendto+0xda/0xf0 [ 103.299223][ C0] do_syscall_64+0x4c/0xa0 [ 103.303671][ C0] ? clear_bhb_loop+0x30/0x80 [ 103.308528][ C0] ? clear_bhb_loop+0x30/0x80 [ 103.313243][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 103.319175][ C0] RIP: 0033:0x7fc07682b407 [ 103.323614][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 103.343232][ C0] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 103.351691][ C0] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 103.359738][ C0] RDX: 0000000000000057 RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 103.368075][ C0] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 103.376067][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 103.384062][ C0] R13: 00007ffca6f74e30 R14: 000000000000003c R15: 00007ffca6f74e30 [ 103.392089][ C0] [ 103.395138][ C1] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 103.403090][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 103.413188][ C1] Workqueue: events_unbound cfg80211_wiphy_work [ 103.419501][ C1] Call Trace: [ 103.422810][ C1] [ 103.425674][ C1] dump_stack_lvl+0x188/0x250 [ 103.430400][ C1] ? show_regs_print_info+0x20/0x20 [ 103.432341][ C0] FAULT_INJECTION: forcing a failure. [ 103.432341][ C0] name failslab, interval 1, probability 1, space 0, times 928 [ 103.435623][ C1] ? load_image+0x410/0x410 [ 103.435655][ C1] ? prandom_u32+0x217/0x250 [ 103.457534][ C1] should_fail+0x383/0x4b0 [ 103.461979][ C1] should_failslab+0x5/0x20 [ 103.466544][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 103.471511][ C1] ? __debug_object_init+0x94b/0xc80 [ 103.476813][ C1] kmem_cache_alloc+0x3d/0x280 [ 103.481617][ C1] __debug_object_init+0x94b/0xc80 [ 103.486749][ C1] ? should_fail+0x383/0x4b0 [ 103.491355][ C1] ? should_failslab+0x5/0x20 [ 103.496048][ C1] ? slab_pre_alloc_hook+0x51/0xc0 [ 103.501173][ C1] ? __kmalloc+0x6b/0x340 [ 103.505518][ C1] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 103.511870][ C1] ? process_one_work+0x867/0xff0 [ 103.517130][ C1] ? debug_object_init+0x10/0x10 [ 103.522104][ C1] ? memset+0x1e/0x40 [ 103.526130][ C1] ? lockdep_softirqs_off+0x430/0x430 [ 103.531532][ C1] ? neigh_release+0x80/0x80 [ 103.536176][ C1] init_timer_key+0x3d/0x2a0 [ 103.540802][ C1] ___neigh_create+0x9ee/0x2210 [ 103.545691][ C1] ip6_finish_output2+0x9f5/0x1530 [ 103.550836][ C1] ? nf_hook+0x360/0x360 [ 103.555100][ C1] ? ip6_mtu+0x2fb/0x3d0 [ 103.559367][ C1] ? ip6_finish_output+0x627/0x790 [ 103.564507][ C1] ndisc_send_skb+0xb7a/0x1410 [ 103.569300][ C1] ? ndisc_alloc_skb+0x420/0x420 [ 103.574265][ C1] ? rcu_lock_release+0x20/0x20 [ 103.579364][ C1] ? memset+0x1e/0x40 [ 103.583505][ C1] ? ndisc_send_rs+0x524/0x700 [ 103.588358][ C1] addrconf_rs_timer+0x367/0x640 [ 103.593328][ C1] ? detach_timer+0x33/0x2b0 [ 103.597955][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 103.604061][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 103.610151][ C1] call_timer_fn+0x17b/0x540 [ 103.614774][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 103.621123][ C1] ? __run_timers+0x810/0x810 [ 103.626046][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 103.631476][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 103.637028][ C1] ? addrconf_disable_policy_idev+0x4b0/0x4b0 [ 103.643285][ C1] __run_timers+0x56c/0x810 [ 103.647848][ C1] ? detach_timer+0x2b0/0x2b0 [ 103.652842][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 103.659052][ C1] ? sched_clock_cpu+0x15/0x3c0 [ 103.664013][ C1] ? seqcount_lockdep_reader_access+0x177/0x1d0 [ 103.670280][ C1] run_timer_softirq+0x63/0xf0 [ 103.675092][ C1] handle_softirqs+0x336/0x830 [ 103.679882][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 103.685279][ C1] ? do_softirq+0x210/0x210 [ 103.689804][ C1] ? hrtimer_interrupt+0x6a2/0x8b0 [ 103.694948][ C1] __irq_exit_rcu+0x13b/0x230 [ 103.699639][ C1] ? irq_exit_rcu+0x20/0x20 [ 103.704180][ C1] irq_exit_rcu+0x5/0x20 [ 103.708435][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 103.714089][ C1] [ 103.717039][ C1] [ 103.719986][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 103.725986][ C1] RIP: 0010:dump_stack_lvl+0x20e/0x250 [ 103.731470][ C1] Code: e8 77 d5 c0 f7 48 bb 00 00 00 00 00 fc ff df 4d 85 ed 75 07 e8 63 d5 c0 f7 eb 06 e8 5c d5 c0 f7 fb 48 c7 44 24 20 0e 36 e0 45 <31> c0 49 89 04 1f 49 89 44 1f 08 65 48 8b 04 25 28 00 00 00 48 3b [ 103.751089][ C1] RSP: 0018:ffffc90001f27380 EFLAGS: 00000293 [ 103.757190][ C1] RAX: ffffffff89b82c24 RBX: dffffc0000000000 RCX: ffff8880181ed940 [ 103.765177][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 103.773165][ C1] RBP: ffffc90001f27468 R08: ffffffff901ee12f R09: 1ffffffff203dc25 [ 103.781160][ C1] R10: dffffc0000000000 R11: fffffbfff203dc26 R12: dffffc0000000004 [ 103.789154][ C1] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff920003e4e74 [ 103.797156][ C1] ? dump_stack_lvl+0x204/0x250 [ 103.802035][ C1] ? show_regs_print_info+0x20/0x20 [ 103.807252][ C1] ? load_image+0x410/0x410 [ 103.811782][ C1] should_fail+0x383/0x4b0 [ 103.816222][ C1] should_failslab+0x5/0x20 [ 103.820747][ C1] slab_pre_alloc_hook+0x51/0xc0 [ 103.825704][ C1] __kmalloc+0x6b/0x340 [ 103.829960][ C1] ? cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 103.836306][ C1] cfg80211_inform_bss_frame_data+0x525/0x1ed0 [ 103.842509][ C1] ? verify_lock_unused+0x140/0x140 [ 103.847737][ C1] ? cfg80211_parse_mbssid_data+0x3070/0x3070 [ 103.853840][ C1] ? __lock_acquire+0x7b50/0x7b50 [ 103.858898][ C1] ieee80211_bss_info_update+0x6ba/0xa80 [ 103.864573][ C1] ? ieee80211_rx_bss_put+0x60/0x60 [ 103.869801][ C1] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 103.875629][ C1] ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 [ 103.881822][ C1] ? ieee80211_ibss_rx_no_sta+0x750/0x750 [ 103.887555][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 103.893467][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 103.898687][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.904607][ C1] ? _raw_spin_unlock+0x40/0x40 [ 103.909472][ C1] ? kcov_remote_start+0x6a/0x490 [ 103.914514][ C1] ? kcov_remote_start+0xfa/0x490 [ 103.919561][ C1] ieee80211_iface_work+0x714/0xc50 [ 103.924795][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 103.930012][ C1] cfg80211_wiphy_work+0x224/0x260 [ 103.935161][ C1] process_one_work+0x867/0xff0 [ 103.940046][ C1] ? worker_detach_from_pool+0x240/0x240 [ 103.945703][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 103.951013][ C1] ? _raw_spin_lock_irq+0xb7/0xf0 [ 103.956051][ C1] ? _raw_spin_lock_irqsave+0x100/0x100 [ 103.961619][ C1] ? wq_worker_running+0x97/0x170 [ 103.966660][ C1] worker_thread+0xad7/0x12a0 [ 103.971371][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 103.977294][ C1] kthread+0x42e/0x520 [ 103.981375][ C1] ? rcu_lock_release+0x20/0x20 [ 103.986243][ C1] ? kthread_blkcg+0xd0/0xd0 [ 103.990846][ C1] ret_from_fork+0x1f/0x30 [ 103.995315][ C1] [ 103.998347][ C0] CPU: 0 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 104.002188][ C1] FAULT_INJECTION: forcing a failure. [ 104.002188][ C1] name failslab, interval 1, probability 1, space 0, times 927 [ 104.005316][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 104.005331][ C0] Call Trace: [ 104.005339][ C0] [ 104.005347][ C0] dump_stack_lvl+0x188/0x250 [ 104.039046][ C0] ? show_regs_print_info+0x20/0x20 [ 104.044293][ C0] ? load_image+0x410/0x410 [ 104.048823][ C0] ? prandom_u32+0x217/0x250 [ 104.053442][ C0] should_fail+0x383/0x4b0 [ 104.057897][ C0] should_failslab+0x5/0x20 [ 104.062419][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 104.067383][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 104.073125][ C0] ? __netdev_alloc_skb+0x110/0x4c0 [ 104.078335][ C0] ? __alloc_skb+0xf4/0x750 [ 104.082881][ C0] ? __netdev_alloc_skb+0x110/0x4c0 [ 104.088100][ C0] __alloc_skb+0x22c/0x750 [ 104.092535][ C0] __netdev_alloc_skb+0x110/0x4c0 [ 104.097675][ C0] ? __alloc_skb+0x750/0x750 [ 104.102288][ C0] ? mark_lock+0x94/0x320 [ 104.106638][ C0] __ieee80211_beacon_get+0xa8f/0x1ff0 [ 104.112139][ C0] ? verify_lock_unused+0x140/0x140 [ 104.117363][ C0] ? ieee80211_beacon_get_template+0x30/0x30 [ 104.123367][ C0] ? verify_lock_unused+0x140/0x140 [ 104.128589][ C0] ? verify_lock_unused+0x140/0x140 [ 104.133812][ C0] ? ieee80211_get_buffered_bc+0x75e/0x860 [ 104.139661][ C0] ieee80211_beacon_get_tim+0x48/0x840 [ 104.145150][ C0] mac80211_hwsim_beacon_tx+0x104/0x900 [ 104.150727][ C0] __iterate_interfaces+0x225/0x4c0 [ 104.155944][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 104.162211][ C0] ? mac80211_hwsim_vendor_cmd_test+0x2f0/0x2f0 [ 104.168484][ C0] ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 [ 104.175655][ C0] mac80211_hwsim_beacon+0x9b/0x180 [ 104.180906][ C0] ? hw_scan_work+0xef0/0xef0 [ 104.185610][ C0] __hrtimer_run_queues+0x4ea/0xb60 [ 104.190853][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 104.195997][ C0] hrtimer_run_softirq+0x176/0x240 [ 104.201577][ C0] handle_softirqs+0x336/0x830 [ 104.206375][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 104.211338][ C0] ? do_softirq+0x210/0x210 [ 104.215944][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 104.221080][ C0] __irq_exit_rcu+0x13b/0x230 [ 104.225787][ C0] ? irq_exit_rcu+0x20/0x20 [ 104.230351][ C0] irq_exit_rcu+0x5/0x20 [ 104.234625][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 104.240295][ C0] [ 104.243252][ C0] [ 104.246299][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 104.252315][ C0] RIP: 0010:__printk_wait_on_cpu_lock+0x7/0x30 [ 104.258520][ C0] Code: 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 30 c2 5d 00 4c 89 33 5b 41 5c 41 5e 41 5f c3 0f 1f 44 00 00 e8 db 9e 18 00 f3 90 <48> c7 c7 00 b7 1f 8c be 04 00 00 00 e8 18 c3 5d 00 8b 05 42 54 bf [ 104.278603][ C0] RSP: 0018:ffffc900012df6b8 EFLAGS: 00000293 [ 104.284701][ C0] RAX: ffffffff816062c8 RBX: 0000000000000200 RCX: ffff88807dca3b80 [ 104.292697][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c1fb700 [ 104.300700][ C0] RBP: ffffc900012df7c0 R08: 0000000000000003 R09: 0000000000000004 [ 104.308702][ C0] R10: dffffc0000000000 R11: fffffbfff183f6e0 R12: dffffc0000000004 [ 104.316785][ C0] R13: 0000000000000200 R14: 0000000000000000 R15: 1ffff9200025bedc [ 104.324793][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 104.330471][ C0] ? __printk_wait_on_cpu_lock+0x28/0x30 [ 104.336132][ C0] dump_stack_lvl+0x161/0x250 [ 104.340845][ C0] ? show_regs_print_info+0x20/0x20 [ 104.346089][ C0] ? load_image+0x410/0x410 [ 104.350627][ C0] ? prandom_u32+0x217/0x250 [ 104.355257][ C0] should_fail+0x383/0x4b0 [ 104.359702][ C0] should_failslab+0x5/0x20 [ 104.364254][ C0] slab_pre_alloc_hook+0x51/0xc0 [ 104.369224][ C0] __kmalloc_node_track_caller+0x68/0x3a0 [ 104.374982][ C0] ? alloc_skb_with_frags+0xa7/0x720 [ 104.380383][ C0] ? __alloc_skb+0xf4/0x750 [ 104.384917][ C0] ? alloc_skb_with_frags+0xa7/0x720 [ 104.390243][ C0] __alloc_skb+0x22c/0x750 [ 104.394697][ C0] alloc_skb_with_frags+0xa7/0x720 [ 104.399845][ C0] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 104.405852][ C0] sock_alloc_send_pskb+0x87f/0x9a0 [ 104.411096][ C0] ? sock_kzfree_s+0x50/0x50 [ 104.415821][ C0] ? do_raw_spin_lock+0x128/0x2f0 [ 104.420878][ C0] ? __rwlock_init+0x140/0x140 [ 104.425668][ C0] ? mark_lock+0x94/0x320 [ 104.430033][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 104.435266][ C0] unix_dgram_sendmsg+0x6f8/0x19c0 [ 104.440522][ C0] ? aa_sk_perm+0x7dc/0x910 [ 104.445061][ C0] ? aa_af_perm+0x340/0x340 [ 104.449592][ C0] ? unix_dgram_poll+0x680/0x680 [ 104.454554][ C0] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 104.461010][ C0] ? apparmor_socket_sendmsg+0x88/0x230 [ 104.466671][ C0] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 104.471987][ C0] ? security_socket_sendmsg+0x7c/0xa0 [ 104.477480][ C0] __sys_sendto+0x46d/0x620 [ 104.482017][ C0] ? __ia32_sys_getpeername+0x80/0x80 [ 104.487524][ C0] ? lock_chain_count+0x20/0x20 [ 104.492500][ C0] __x64_sys_sendto+0xda/0xf0 [ 104.497220][ C0] do_syscall_64+0x4c/0xa0 [ 104.501671][ C0] ? clear_bhb_loop+0x30/0x80 [ 104.506386][ C0] ? clear_bhb_loop+0x30/0x80 [ 104.511546][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 104.517876][ C0] RIP: 0033:0x7fc07682b407 [ 104.522430][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 104.542168][ C0] RSP: 002b:00007ffca6f74cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 104.550719][ C0] RAX: ffffffffffffffda RBX: 00007fc0766dbc80 RCX: 00007fc07682b407 [ 104.558851][ C0] RDX: 0000000000000057 RSI: 00007ffca6f74e30 RDI: 0000000000000003 [ 104.566959][ C0] RBP: 00007ffca6f75260 R08: 0000000000000000 R09: 0000000000000000 [ 104.574971][ C0] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffca6f75278 [ 104.583058][ C0] R13: 00007ffca6f74e30 R14: 000000000000003c R15: 00007ffca6f74e30 [ 104.591064][ C0] [ 104.594103][ C1] CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 104.601607][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 104.611694][ C1] Workqueue: events_unbound cfg80211_wiphy_work [ 104.617972][ C1] Call Trace: [ 104.621278][ C1] [ 104.624145][ C1] dump_stack_lvl+0x188/0x250 [ 104.628847][ C1] ? worker_thread+0xad7/0x12a0 [ 104.633720][ C1] ? ret_from_fork+0x1f/0x30 [ 104.638338][ C1] ? show_regs_print_info+0x20/0x20 [ 104.643786][ C1] ? load_image+0x410/0x410 [ 104.648317][ C1] ? prandom_u32+0x217/0x250 [ 104.652961][ C1] should_fail+0x383/0x4b0