Extracting prog: 43.839626585s Minimizing prog: 19m39.449334145s Simplifying prog options: 0s Extracting C: 35.13839166s Simplifying C: 5m41.584699954s extracting reproducer from 54 programs testing a last program of every proc single: executing 13 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic-sendmsg$TIPC_CMD_GET_BEARER_NAMES-syz_genetlink_get_family_id$nl80211-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY_NETNS-syz_read_part_table detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r10, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r9, 0x5, 0x70bd26, 0x25dfdbfe}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100), r2) r11 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x30, r11, 0x200, 0x70bd29, 0x25dfdbff, {{}, {@void, @void, @val={0xfffffffffffffed2, 0x99, {0x8000, 0x77}}}}, [@NL80211_ATTR_WIPHY={0x8, 0x1, 0x78}, @NL80211_ATTR_NETNS_FD={0x8, 0xdb, r2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x8011) syz_read_part_table(0x1049, &(0x7f0000001c00)="$eJzsz7ENwjAUBNDDBBwJgRgBRmGI7JNRqChYMsghFCwQpXivsL58Z1sOGzIlKfPUJ7n+h6ffsJ/XekzG2/05PMq3PrYTZaq1pZf0bWO5qdXT5Zzk8NotT6TL8F7nXwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACwbZ8AAAD//yFSBzw=") program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work single: successfully extracted reproducer found reproducer with 30 syscalls minimizing guilty program testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic-sendmsg$TIPC_CMD_GET_BEARER_NAMES-syz_genetlink_get_family_id$nl80211-syz_genetlink_get_family_id$nl80211-sendmsg$NL80211_CMD_SET_WIPHY_NETNS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r10, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r9, 0x5, 0x70bd26, 0x25dfdbfe}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100), r2) r11 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000240), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_WIPHY_NETNS(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x30, r11, 0x200, 0x70bd29, 0x25dfdbff, {{}, {@void, @void, @val={0xfffffffffffffed2, 0x99, {0x8000, 0x77}}}}, [@NL80211_ATTR_WIPHY={0x8, 0x1, 0x78}, @NL80211_ATTR_NETNS_FD={0x8, 0xdb, r2}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x8011) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic-sendmsg$TIPC_CMD_GET_BEARER_NAMES-syz_genetlink_get_family_id$nl80211-syz_genetlink_get_family_id$nl80211 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r10, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r9, 0x5, 0x70bd26, 0x25dfdbfe}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100), r2) syz_genetlink_get_family_id$nl80211(&(0x7f0000000240), 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic-sendmsg$TIPC_CMD_GET_BEARER_NAMES-syz_genetlink_get_family_id$nl80211 detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r10, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r9, 0x5, 0x70bd26, 0x25dfdbfe}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100), r2) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic-sendmsg$TIPC_CMD_GET_BEARER_NAMES detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r10, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, r9, 0x5, 0x70bd26, 0x25dfdbfe}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc-socket$nl_generic detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE-syz_genetlink_get_family_id$tipc detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) syz_genetlink_get_family_id$tipc(&(0x7f0000000200), 0xffffffffffffffff) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS-ioctl$BTRFS_IOC_RESIZE detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) ioctl$BTRFS_IOC_RESIZE(r0, 0x50009403, &(0x7f00000009c0)={{r2}, {@val={r8}, @actul_num={@void, 0x7, 0x6b}}}) program crashed: KASAN: use-after-free Read in l2tp_tunnel_del_work testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-setresgid detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040)=0x0, &(0x7f0000000080)=0x0) setresgid(r6, r6, r7) program did not crash testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-getresgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) getresgid(&(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080)) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-setfsgid-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) setfsgid(0xee00) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-mount$9p_fd-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') mount$9p_fd(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0xc8020, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-symlinkat-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') symlinkat(&(0x7f0000000180)='.\x00', 0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00') ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-chdir-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) chdir(&(0x7f0000000040)='./file0\x00') ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-mount$9p_fd-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r4, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r5 = dup(r4) write$FUSE_BMAP(r5, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r5, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000640)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r5}, 0x2c, {[{@cache_fscache}]}}) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-write$FUSE_NOTIFY_RETRIEVE-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r3, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r4 = dup(r3) write$FUSE_BMAP(r4, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r4, &(0x7f00000000c0)={0x14c}, 0x137) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-write$FUSE_BMAP-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r3, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) r4 = dup(r3) write$FUSE_BMAP(r4, &(0x7f0000000100)={0x18}, 0x18) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-dup-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r3, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) dup(r3) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-write$P9_RVERSION-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) write$P9_RVERSION(r3, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff097b000008003950323030302e4c"], 0x15) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-pipe2$9p-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) pipe2$9p(&(0x7f0000000080), 0x80800) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-syz_mount_image$ext4-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000080)='./file0\x00', 0x18808, 0x0, 0xf7, 0x0, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-io_uring_register$IORING_UNREGISTER_IOWQ_AFF-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) io_uring_register$IORING_UNREGISTER_IOWQ_AFF(r2, 0x12, 0x0, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-read$msr-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) read$msr(r2, 0x0, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-openat$selinux_mls-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-getsockopt-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt(r0, 0x111, 0x1, 0x0, &(0x7f0000000040)) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-mprotect-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program did not crash testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, 0xffffffffffffffff, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program did not crash testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r0, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(0xffffffffffffffff, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program did not crash testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, &(0x7f00000005c0)={0x0, 0x0, 0x7, 0x1}) program did not crash testing program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release extracting C reproducer testing compiled C program (duration=32.780366398s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program did not crash testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release validation run: crashed=true testing program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=32.780366398s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-ioctl$BTRFS_IOC_SCRUB_PROGRESS detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x3, r1, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x2}}, 0x2e) ioctl$BTRFS_IOC_SCRUB_PROGRESS(r0, 0xc400941d, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release validation run: crashed=true reproducing took 28m4.607952803s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288 Write of size 8 at addr ffff88812ca07550 by task syz.2.17/371 CPU: 0 PID: 371 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f876f4ec159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe753d7658 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe753d7740 RCX: 00007f876f4ec159 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00000000000070cb R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32e20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f876f773fac R14: 00007f876f773fa8 R15: 00007f876f773fa0 Allocated by task 371: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc mm/kasan/common.c:512 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x13d/0x2c0 mm/slub.c:4436 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772 __sys_connect_file net/socket.c:1923 [inline] __sys_connect+0x3cb/0x450 net/socket.c:1940 __do_sys_connect net/socket.c:1950 [inline] __se_sys_connect net/socket.c:1947 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1947 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 371: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kfree+0xc4/0x270 mm/slub.c:4588 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff88812ca07400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 336 bytes inside of 512-byte region [ffff88812ca07400, ffff88812ca07600) The buggy address belongs to the page: page:ffffea0004b28100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12ca04 head:ffffea0004b28100 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 367, ts 28900534659, free_ts 27941850942 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3272 kmalloc include/linux/slab.h:619 [inline] kzalloc include/linux/slab.h:750 [inline] find_css_set+0x91d/0x1560 kernel/cgroup/cgroup.c:1251 cgroup_migrate_prepare_dst+0xc4/0xa00 kernel/cgroup/cgroup.c:2820 cgroup_attach_task+0x298/0x520 kernel/cgroup/cgroup.c:2926 __cgroup_procs_write+0x2b1/0x2e0 kernel/cgroup/cgroup.c:5090 cgroup_procs_write+0x27/0x50 kernel/cgroup/cgroup.c:5103 cgroup_file_write+0x294/0x560 kernel/cgroup/cgroup.c:4011 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2212 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x831/0xfd0 fs/read_write.c:594 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1474 [inline] free_pcp_prepare mm/page_alloc.c:1546 [inline] free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536 free_unref_page+0xae/0x540 mm/page_alloc.c:3618 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5900 free_pages+0x82/0x90 mm/page_alloc.c:5911 kasan_depopulate_vmalloc_pte+0x6b/0x90 mm/kasan/shadow.c:354 apply_to_pte_range mm/memory.c:2645 [inline] apply_to_pmd_range mm/memory.c:2689 [inline] apply_to_pud_range mm/memory.c:2725 [inline] apply_to_p4d_range mm/memory.c:2761 [inline] __apply_to_page_range+0x8ca/0xc70 mm/memory.c:2797 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2830 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:464 __purge_vmap_area_lazy+0xa8d/0x1890 mm/vmalloc.c:1723 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1742 free_vmap_area_noflush+0xa59/0xaa0 mm/vmalloc.c:1784 free_unmap_vmap_area mm/vmalloc.c:1797 [inline] remove_vm_area+0x1c1/0x1e0 mm/vmalloc.c:2552 vm_remove_mappings mm/vmalloc.c:2581 [inline] __vunmap+0x259/0x980 mm/vmalloc.c:2650 __vfree mm/vmalloc.c:2709 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2740 kcov_put kernel/kcov.c:417 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:519 __fput+0x22b/0x900 fs/file_table.c:311 Memory state around the buggy address: ffff88812ca07400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812ca07480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88812ca07500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88812ca07580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812ca07600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline] BUG: KASAN: use-after-free in atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] BUG: KASAN: use-after-free in __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] BUG: KASAN: use-after-free in mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288 Write of size 8 at addr ffff88812ca07550 by task syz.2.17/371 CPU: 0 PID: 371 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1667 [inline] __mutex_trylock_fast kernel/locking/mutex.c:169 [inline] mutex_lock+0x8e/0x1c0 kernel/locking/mutex.c:288 pppol2tp_release+0x178/0x2b0 net/l2tp/l2tp_ppp.c:442 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f876f4ec159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe753d7658 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffe753d7740 RCX: 00007f876f4ec159 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00000000000070cb R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32e20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f876f773fac R14: 00007f876f773fa8 R15: 00007f876f773fa0 Allocated by task 371: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc mm/kasan/common.c:512 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x13d/0x2c0 mm/slub.c:4436 kmalloc include/linux/slab.h:624 [inline] kzalloc include/linux/slab.h:750 [inline] l2tp_session_create+0x39/0xb60 net/l2tp/l2tp_core.c:1616 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:772 __sys_connect_file net/socket.c:1923 [inline] __sys_connect+0x3cb/0x450 net/socket.c:1940 __do_sys_connect net/socket.c:1950 [inline] __se_sys_connect net/socket.c:1947 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:1947 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 371: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754 slab_free mm/slub.c:3526 [inline] kfree+0xc4/0x270 mm/slub.c:4588 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3a9/0x4a0 net/l2tp/l2tp_core.c:1589 pppol2tp_release+0x169/0x2b0 net/l2tp/l2tp_ppp.c:439 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x200 net/socket.c:1336 __fput+0x22b/0x900 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff88812ca07400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 336 bytes inside of 512-byte region [ffff88812ca07400, ffff88812ca07600) The buggy address belongs to the page: page:ffffea0004b28100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12ca04 head:ffffea0004b28100 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 367, ts 28900534659, free_ts 27941850942 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1937 [inline] new_slab+0xa0/0x4d0 mm/slub.c:2000 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033 __slab_alloc+0x49/0x90 mm/slub.c:3120 slab_alloc_node mm/slub.c:3211 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3272 kmalloc include/linux/slab.h:619 [inline] kzalloc include/linux/slab.h:750 [inline] find_css_set+0x91d/0x1560 kernel/cgroup/cgroup.c:1251 cgroup_migrate_prepare_dst+0xc4/0xa00 kernel/cgroup/cgroup.c:2820 cgroup_attach_task+0x298/0x520 kernel/cgroup/cgroup.c:2926 __cgroup_procs_write+0x2b1/0x2e0 kernel/cgroup/cgroup.c:5090 cgroup_procs_write+0x27/0x50 kernel/cgroup/cgroup.c:5103 cgroup_file_write+0x294/0x560 kernel/cgroup/cgroup.c:4011 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2212 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x831/0xfd0 fs/read_write.c:594 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1474 [inline] free_pcp_prepare mm/page_alloc.c:1546 [inline] free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536 free_unref_page+0xae/0x540 mm/page_alloc.c:3618 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5900 free_pages+0x82/0x90 mm/page_alloc.c:5911 kasan_depopulate_vmalloc_pte+0x6b/0x90 mm/kasan/shadow.c:354 apply_to_pte_range mm/memory.c:2645 [inline] apply_to_pmd_range mm/memory.c:2689 [inline] apply_to_pud_range mm/memory.c:2725 [inline] apply_to_p4d_range mm/memory.c:2761 [inline] __apply_to_page_range+0x8ca/0xc70 mm/memory.c:2797 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2830 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:464 __purge_vmap_area_lazy+0xa8d/0x1890 mm/vmalloc.c:1723 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1742 free_vmap_area_noflush+0xa59/0xaa0 mm/vmalloc.c:1784 free_unmap_vmap_area mm/vmalloc.c:1797 [inline] remove_vm_area+0x1c1/0x1e0 mm/vmalloc.c:2552 vm_remove_mappings mm/vmalloc.c:2581 [inline] __vunmap+0x259/0x980 mm/vmalloc.c:2650 __vfree mm/vmalloc.c:2709 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2740 kcov_put kernel/kcov.c:417 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:519 __fput+0x22b/0x900 fs/file_table.c:311 Memory state around the buggy address: ffff88812ca07400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812ca07480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88812ca07500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88812ca07580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812ca07600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================