Extracting prog: 6m42.839371824s Minimizing prog: 14m5.749764883s Simplifying prog options: 0s Extracting C: 1m4.727048271s Simplifying C: 28m35.794365701s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socketpair$auto-clone$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program did not crash single: failed to extract reproducer bisect: bisecting 24 programs with base timeout 30s testing program (duration=36s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6] detailed listing: executing program 1: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) syslog$auto(0x3, &(0x7f0000000080)='..\x00k\xce\xa0\x17\bI3\'\xc5tw\xd7\x1d\x00\x80\x00\x00\x00\x00\x00\x00j<\v\xf47\n\xa7\xd2\x8b\x11e1\xb3\xfdd\x04\xa9 1q\x97\xc4,\xa9^\xc1\xb6\xa1q\x0f\xd1\x013\x87l\xb9\x1e\x05\x90\xa2', 0x5) r0 = set_tid_address$auto(0x0) r1 = syz_open_procfs$namespace(r0, &(0x7f0000000080)) getdents$auto(r1, 0x0, 0x3f1) getdents$auto(r1, 0x0, 0xa2b0) executing program 1: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) r0 = openat$auto_proc_oom_adj_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/oom_adj\x00', 0x48402, 0x0) read$auto(r0, 0x0, 0x1f40) r1 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r1, &(0x7f0000000200)={0x0, 0x7}, 0x3) syz_open_procfs$namespace(0x0, &(0x7f0000000180)='ns/time\x00') executing program 1: r0 = socket(0xa, 0x2, 0x0) setsockopt$auto(r0, 0x29, 0x37, &(0x7f0000000080)='\x15!\xa8^J/\xddCx4!\x00\xd3\x8f\x1e\x1b\xc3 \xe2\xa8\xd6\xd9\xc0\xa2\x0f\x88\xb1e\x8a\xd8?\xfe\xda\xc4\xef\xff(i\xc6@\x91[\vBj\x0eQ\xce\x16\'C\x8cYA\x92u\xd5\xb8\\\x82,\xe2=y\x9bR\xbcn\xa0c\x16~\x86\"t\xde\x14\xe4\xa5\xfe\xb5', 0x110) lseek$auto(0xffffffffffffffff, 0x80, 0x8) mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) connect$auto(r0, &(0x7f00000018c0)=@generic={0xa, "ab06fdffff00fff500"}, 0x55) sendmmsg$auto(0x3, 0x0, 0xee8c, 0x4) executing program 1: close_range$auto(0x2, 0xa, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket(0x2, 0x80805, 0x0) eventfd$auto(0x7) select$auto(0x5, 0x0, 0x0, &(0x7f00000001c0)={[0x1aa57c94, 0x95, 0x5, 0x100000003, 0x8475, 0x6, 0x1, 0x9, 0xec, 0x2, 0x8, 0x8, 0x200, 0x7]}, 0x0) writev$auto(0x4, &(0x7f0000000080)={&(0x7f0000000040), 0x8}, 0x1) executing program 3: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) io_uring_setup$auto(0x6, 0x0) r0 = socket(0x11, 0x80003, 0x300) setsockopt$auto(r0, 0x107, 0xf, 0x0, 0x6) capset$auto(0x0, &(0x7f0000000000)={0x1, 0x6, 0x48}) sendmmsg$auto(r0, &(0x7f0000000140)={{&(0x7f0000000000), 0x5ac, &(0x7f0000000100)={&(0x7f0000000200)='S', 0x7}, 0x5, 0x0, 0x5, 0x1}, 0x5}, 0x4, 0x100) executing program 0: sendmsg$auto_IOAM6_CMD_ADD_SCHEMA(0xffffffffffffffff, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x1, 0x3000000, 0x0, 0x1}, 0x8010) mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0xffffffffffffffff, 0x8000) r0 = socket(0x10, 0x2, 0x0) sendmmsg$auto(r0, &(0x7f0000000080)={{0x0, 0xc, 0x0, 0x1, 0x0, 0x20, 0x3}, 0x5b3}, 0x200, 0x101) sendmsg$auto_NL80211_CMD_GET_REG(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYBLOB="1200", @ANYBLOB="5de1"], 0x1ac}, 0x1, 0x0, 0x0, 0x8000}, 0x40) recvmmsg$auto(r0, &(0x7f0000000140)={{0x0, 0x4, &(0x7f0000000080)={0x0, 0x803}, 0x5, 0x0, 0x2, 0x8}, 0x800}, 0x1fe, 0x8, 0x0) executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x40000000000a5, 0x8000) r0 = socket(0x10, 0x2, 0x0) sendmsg$auto_CTRL_CMD_GETPOLICY(0xffffffffffffffff, &(0x7f00000011c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)={0x14, 0x0, 0x301, 0x4070bd25, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x30000881}, 0xc040804) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="72010000", @ANYBLOB='R'], 0x1ac}}, 0x40000) sendmmsg$auto(r0, &(0x7f0000000200)={{0x0, 0x0, &(0x7f0000000100)={0x0, 0xfc2}, 0x2, 0x0, 0x7, 0xa505}, 0x800}, 0x7, 0x4008) recvfrom$auto(0x3, 0x0, 0x800000000e, 0xfffff4a4, 0x0, 0xfffffffffffffffd) executing program 3: socket(0x10, 0x2, 0x0) socket(0x2, 0x1, 0x0) syz_genetlink_get_family_id$auto_ovs_meter(0x0, 0xffffffffffffffff) socket(0x2, 0x2, 0x88) mmap$auto(0x0, 0x6, 0xdf, 0xeb1, 0x401, 0x8000) getsockopt$auto(0x100000006, 0x88, 0x20000001, 0xfffffffffffffffe, 0x0) executing program 2: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) r0 = openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000400)='/dev/ttyS1\x00', 0x101e81, 0x0) syslog$auto(0x3, &(0x7f0000000080)='..\x00k\xac\x8c\x1d\x0e\x98\x80\xd2\xaf\xa1\xf2\x1e\xe1R1\xa2\x8e\xce\xa0\x17\bI3\'\xc5tw\xd7\x1d\xa6\xf4#+\xfa\xd7\x01\xb9j<\v\xf47\n\xa7\xd2\x8b\x11e1\xb3\xfdd\x04\xa9 1q\x97\xc4,\xa9^\xc1\xb6\xa1q\x0f\xd1\x013\x87l\xb9\x1e\x05\x90\xa2', 0x5) r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)) getdents$auto(r1, 0x0, 0xfff) ioctl$auto_TCFLSH2(r0, 0x5408, 0x0) executing program 0: mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) socket(0xa, 0x1, 0x84) io_uring_setup$auto(0x2, 0x0) setsockopt$auto(0x3, 0x10000000084, 0x7b, 0x0, 0x8) bind$auto(0x3, &(0x7f0000000040)=@in={0x2, 0x3, @empty}, 0x6a) connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54) executing program 3: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) writev$auto(0x8000, &(0x7f0000000040)={0x0, 0x1000000000004}, 0x2bc) io_uring_setup$auto(0x6, 0x0) io_uring_register$auto(0x2, 0x16, &(0x7f0000000040), 0x1) io_uring_register$auto(0x2, 0x1a, &(0x7f00000000c0), 0x1) executing program 2: socket(0x15, 0x5, 0x0) eventfd$auto(0x7) open(&(0x7f0000004080)='./file0\x00', 0x40, 0x23) socket(0x2, 0x3, 0x6) mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000) getsockopt$auto(0x100000006, 0x0, 0x22, 0xfffffffffffffffe, 0x0) executing program 3: r0 = socket(0x10, 0x2, 0x0) sendmsg$auto_NL80211_CMD_GET_REG(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYBLOB='^\x00', @ANYRES32, @ANYRES32, @ANYRES64, @ANYRES32], 0x1ac}, 0x1, 0x0, 0x0, 0x40}, 0x40000) recvmmsg$auto(r0, &(0x7f0000000180)={{0x0, 0x10001, &(0x7f0000000080)={&(0x7f0000000040), 0x200}, 0x4, 0x0, 0x8, 0x7}, 0x7}, 0x5, 0x66a6, 0x0) open(&(0x7f0000000040)='./file0\x00', 0x149443, 0x0) ppoll$auto(0x0, 0x7f, 0x0, &(0x7f00000001c0)={0x3}, 0x8) mount$auto(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='nfs\x00', 0x1, &(0x7f00000001c0)) executing program 0: open(&(0x7f0000000000)='./file0\x00', 0xa61c2, 0x84) socket(0x2, 0x5, 0x0) fallocate$auto(0x8000000000000003, 0x0, 0xd, 0xcbd5d) socket(0x2, 0x2, 0x1) socket(0x25, 0x5, 0x0) sendfile$auto(0x6, 0x3, 0x0, 0xfdef) executing program 2: socket(0x10, 0x2, 0x0) sendmsg$auto_NETDEV_CMD_QUEUE_GET(0xffffffffffffffff, &(0x7f0000003040)={0x0, 0x0, &(0x7f0000003000)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="010600bd7000fbdbdf250a0000000800", @ANYRES32], 0x1c}, 0x1, 0x0, 0x0, 0x20040004}, 0x20008810) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[@ANYBLOB="72010000", @ANYBLOB="18"], 0x1ac}}, 0x40000) sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[], 0x1ac}, 0x1, 0x0, 0x0, 0x4004810}, 0x800) sendmmsg$auto(0x3, &(0x7f0000000080)={{0x0, 0x1c03, &(0x7f00000002c0)={0x0, 0xc4}, 0x1, 0x0, 0x0, 0x9}, 0x7}, 0x3, 0x0) executing program 3: mmap$auto(0x0, 0x4020009, 0xdf, 0xeb1, 0x401, 0x8000) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000180)={'batadv_slave_0\x00', 0x0}) sendmsg$auto_NL80211_CMD_SET_WIPHY(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100"], 0x24}, 0x1, 0x0, 0x0, 0x2c0080c0}, 0x80) r2 = socket(0x10, 0x2, 0x0) sendmmsg$auto(r2, &(0x7f0000000200)={{0x0, 0x3, &(0x7f0000000000)={&(0x7f0000000080), 0xfc2}, 0x2, 0x0, 0x7, 0xa505}, 0x800}, 0x8, 0x4008) executing program 0: mmap$auto(0x0, 0xfff, 0xdf, 0x9b72, 0x400, 0x28000) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x201, 0x0) openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/kvm/irq_exits\x00', 0x22002, 0x0) read$auto(0x3, 0x0, 0x1f40) write$auto(0x3, 0x0, 0x3f00) executing program 1: mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000) socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0) mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) connect$auto(0x4, 0x0, 0x10) sendmmsg$auto(0x3, 0x0, 0x9a6, 0x0) close_range$auto(0x2, 0x8000, 0x0) executing program 2: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket(0xa, 0x5, 0x0) getsockopt$auto(0x6, 0x1, 0xb, 0xfffffffffffffffc, 0x0) executing program 2: r0 = openat$auto_mISDN_fops_timerdev(0xffffffffffffff9c, &(0x7f0000000240), 0x80000, 0x0) ioctl$auto_IMDELTIMER(r0, 0x80044941, &(0x7f0000000100)=0x6) openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, 0x0, 0x8040, 0x0) openat$auto_set_tracer_fops_trace(0xffffffffffffff9c, 0x0, 0x8000, 0x0) r1 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, 0x0, 0x20a000, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r1, 0x10000000001000, 0x0) executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) executing program 3: close_range$auto(0x2, 0x8, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) socket(0x2b, 0x1, 0x1) pipe2$auto(0x0, 0x80) r0 = socket(0x80000000000000a, 0x2, 0x0) setsockopt$auto(r0, 0x11, 0x64, 0x0, 0x7) executing program 2: mmap$auto(0x0, 0x20009, 0x7fffffff, 0xeb1, 0x401, 0x8000) socketpair$auto(0x1e, 0x5, 0x1, 0x0) r0 = socket(0x11, 0x80003, 0x300) r1 = socket(0x11, 0x80003, 0x300) setsockopt$auto(r1, 0x107, 0x12, 0x0, 0x8) setsockopt$auto(r0, 0x107, 0x12, 0x0, 0x8) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$auto_nl802154(&(0x7f0000000180), r0) close_range$auto(0x2, 0x8, 0x0) socket(0x29, 0x2, 0x0) socket(0x10, 0x2, 0x0) sendmsg$auto_NL802154_CMD_SET_WPAN_PHY_NETNS(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000008000300"/18, @ANYRES32=0x0, @ANYBLOB="080001"], 0x24}, 0x1, 0x0, 0x0, 0x4000c00}, 0x4000000) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socketpair$auto-clone$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socketpair$auto-clone$auto-openat$auto_force_devcoredump_fops_hci_vhci detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socketpair$auto-clone$auto-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) clone$auto(0x20003b46, 0x2, 0x0, 0x0, 0x2) write$auto(0xffffffffffffffff, 0x0, 0xe) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socketpair$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) socketpair$auto(0x1e, 0x4, 0x8000000000000000, 0x0) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/bluetooth/hci0/force_devcoredump\x00', 0x2, 0x0) write$auto(r0, 0x0, 0xe) program did not crash testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000) r0 = openat$auto_force_devcoredump_fops_hci_vhci(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$auto(r0, 0x0, 0xe) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump simplifying C reproducer testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program did not crash testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program did not crash testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_force_devcoredump_fops_hci_vhci-write$auto program crashed: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump reproducing took 50m29.110570622s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: vmalloc-out-of-bounds in skb_put_data include/linux/skbuff.h:2753 [inline] BUG: KASAN: vmalloc-out-of-bounds in hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258 Read of size 140 at addr ffffc90000abe000 by task kworker/u9:1/5150 CPU: 0 UID: 0 PID: 5150 Comm: kworker/u9:1 Not tainted 6.15.0-syzkaller-10769-g7d4e49a77d99 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: hci0 hci_devcd_timeout Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x100/0x1b0 mm/kasan/generic.c:189 __asan_memcpy+0x23/0x60 mm/kasan/shadow.c:105 skb_put_data include/linux/skbuff.h:2753 [inline] hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258 hci_devcd_timeout+0xb5/0x2e0 net/bluetooth/coredump.c:413 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address ffffc90000abe000 belongs to a vmalloc virtual mapping Memory state around the buggy address: ffffc90000abdf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000abdf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc90000abe000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc90000abe080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000abe100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: vmalloc-out-of-bounds in skb_put_data include/linux/skbuff.h:2753 [inline] BUG: KASAN: vmalloc-out-of-bounds in hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258 Read of size 140 at addr ffffc90000abe000 by task kworker/u9:1/5150 CPU: 0 UID: 0 PID: 5150 Comm: kworker/u9:1 Not tainted 6.15.0-syzkaller-10769-g7d4e49a77d99 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: hci0 hci_devcd_timeout Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x100/0x1b0 mm/kasan/generic.c:189 __asan_memcpy+0x23/0x60 mm/kasan/shadow.c:105 skb_put_data include/linux/skbuff.h:2753 [inline] hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258 hci_devcd_timeout+0xb5/0x2e0 net/bluetooth/coredump.c:413 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address ffffc90000abe000 belongs to a vmalloc virtual mapping Memory state around the buggy address: ffffc90000abdf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000abdf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc90000abe000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc90000abe080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000abe100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================