DUID 00:04:f8:b5:8a:47:ae:09:95:3a:43:2d:d7:42:86:31:94:89 forked to background, child pid 4658 [ 38.542158][ T4659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.553138][ T4659] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 81.586548][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.117' (ECDSA) to the list of known hosts. [ 348.034951][ T1067] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 348.042917][ T1067] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 348.063262][ T5017] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 348.075994][ T1067] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 348.083933][ T1067] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 348.092600][ T5017] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 348.114423][ T5020] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5020 'syz-executor335' [ 348.292167][ T5020] loop0: detected capacity change from 0 to 32768 [ 348.317615][ T27] audit: type=1804 audit(1685609492.557:2): pid=5020 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor335" name="/root/syzkaller.tvup79/0/bus/bus" dev="loop0" ino=7 res=1 errno=0 [ 348.351348][ T27] audit: type=1804 audit(1685609492.557:3): pid=5020 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor335" name="/root/syzkaller.tvup79/0/bus/bus" dev="loop0" ino=7 res=1 errno=0 [ 348.387493][ T5021] jfs: Unrecognized mount option "'-%xý ёC!dy:bL/_:ϰpI[QPҿ;(X2\+V2 NIFAM.IBZu |ok [ 349.892645][ T5029] dump_stack_lvl+0x1e7/0x2d0 [ 349.897419][ T5029] ? __get_metapage+0xb2d/0x10e0 [ 349.902483][ T5029] ? nf_tcp_handle_invalid+0x650/0x650 [ 349.907959][ T5029] ? panic+0x770/0x770 [ 349.912051][ T5029] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 349.918034][ T5029] xtInsert+0xf45/0xfa0 [ 349.922225][ T5029] ? xtSearch+0x1ca0/0x1ca0 [ 349.926758][ T5029] ? mark_lock+0x9a/0x340 [ 349.931166][ T5029] ? dquot_drop+0x2a0/0x2a0 [ 349.935716][ T5029] ? rcu_is_watching+0x15/0xb0 [ 349.945680][ T5029] ? __mark_inode_dirty+0x3e7/0xd90 [ 349.950935][ T5029] extAlloc+0xa64/0x1010 [ 349.955202][ T5029] ? jfs_ioc_trim+0x660/0x660 [ 349.959899][ T5029] jfs_get_block+0x41b/0xe60 [ 349.964504][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 349.969556][ T5029] ? _raw_spin_unlock+0x28/0x40 [ 349.974724][ T5029] ? folio_create_buffers+0x132/0x250 [ 349.980134][ T5029] __block_write_begin_int+0x548/0x1a50 [ 349.985706][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 349.990650][ T5029] ? PageUptodate+0x290/0x290 [ 349.995329][ T5029] ? folio_test_hugetlb+0xa0/0x1d0 [ 350.000466][ T5029] ? pagecache_get_page+0xeb/0x220 [ 350.005594][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 350.010567][ T5029] block_write_begin+0x9c/0x1f0 [ 350.015418][ T5029] ? jfs_write_begin+0x1a/0x70 [ 350.020211][ T5029] jfs_write_begin+0x31/0x70 [ 350.024834][ T5029] generic_perform_write+0x300/0x5e0 [ 350.030137][ T5029] ? generic_file_direct_write+0x460/0x460 [ 350.035946][ T5029] ? generic_file_direct_write+0x40f/0x460 [ 350.041850][ T5029] __generic_file_write_iter+0x29b/0x400 [ 350.047498][ T5029] generic_file_write_iter+0xaf/0x310 [ 350.052895][ T5029] do_iter_write+0x7b1/0xcb0 [ 350.057509][ T5029] ? vfs_iter_write+0xa0/0xa0 [ 350.062211][ T5029] ? vfs_iter_write+0x6d/0xa0 [ 350.066906][ T5029] iter_file_splice_write+0x843/0xfe0 [ 350.072313][ T5029] ? splice_from_pipe+0x230/0x230 [ 350.077369][ T5029] ? direct_splice_read+0xa10/0xa10 [ 350.082583][ T5029] ? splice_from_pipe+0x230/0x230 [ 350.087617][ T5029] direct_splice_actor+0xe7/0x1c0 [ 350.092643][ T5029] splice_direct_to_actor+0x4c4/0xbd0 [ 350.098054][ T5029] ? do_splice_direct+0x3d0/0x3d0 [ 350.103084][ T5029] ? pipe_to_sendpage+0x350/0x350 [ 350.108133][ T5029] ? fsnotify_perm+0x67/0x590 [ 350.112901][ T5029] ? bpf_lsm_file_permission+0x9/0x10 [ 350.118318][ T5029] do_splice_direct+0x283/0x3d0 [ 350.123266][ T5029] ? splice_direct_to_actor+0xbd0/0xbd0 [ 350.128821][ T5029] ? rcu_read_lock_any_held+0xb7/0x160 [ 350.134304][ T5029] do_sendfile+0x620/0xff0 [ 350.138754][ T5029] ? do_pwritev+0x360/0x360 [ 350.143265][ T5029] ? restore_fpregs_from_fpstate+0x100/0x250 [ 350.149285][ T5029] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 350.155286][ T5029] __se_sys_sendfile64+0x17c/0x1e0 [ 350.160420][ T5029] ? __x64_sys_sendfile64+0xb0/0xb0 [ 350.165630][ T5029] ? syscall_enter_from_user_mode+0x32/0x230 [ 350.171685][ T5029] ? lockdep_hardirqs_on+0x98/0x140 [ 350.176902][ T5029] ? syscall_enter_from_user_mode+0x32/0x230 [ 350.182895][ T5029] do_syscall_64+0x41/0xc0 [ 350.187324][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 350.193285][ T5029] RIP: 0033:0x7f781e533019 [ 350.197705][ T5029] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 350.217400][ T5029] RSP: 002b:00007f781e4da2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 350.225822][ T5029] RAX: ffffffffffffffda RBX: 00007f781e5be7e0 RCX: 00007f781e533019 [ 350.233802][ T5029] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000009 [ 350.241968][ T5029] RBP: 00007f781e58b0bc R08: 0000000000000000 R09: 0000000000000000 [ 350.249943][ T5029] R10: 0001000000201004 R11: 0000000000000246 R12: 00007f781e58a098 [ 350.257917][ T5029] R13: 00007f781e58af90 R14: cd3db08b6c4ec6a0 R15: 00007f781e5be7e8 [ 350.265907][ T5029] [ 350.269200][ T5029] ================================================================================ [ 350.278775][ T5029] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 350.285997][ T5029] CPU: 1 PID: 5029 Comm: syz-executor335 Not tainted 6.4.0-rc4-syzkaller-00051-g48b1320a674e #0 [ 350.296425][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 350.306484][ T5029] Call Trace: [ 350.309773][ T5029] [ 350.312706][ T5029] dump_stack_lvl+0x1e7/0x2d0 [ 350.317406][ T5029] ? nf_tcp_handle_invalid+0x650/0x650 [ 350.322881][ T5029] ? panic+0x770/0x770 [ 350.326973][ T5029] ? vscnprintf+0x5d/0x80 [ 350.331340][ T5029] panic+0x30f/0x770 [ 350.335248][ T5029] ? check_panic_on_warn+0x21/0xa0 [ 350.340386][ T5029] ? __memcpy_flushcache+0x2b0/0x2b0 [ 350.345681][ T5029] ? dump_stack_lvl+0x253/0x2d0 [ 350.350562][ T5029] check_panic_on_warn+0x82/0xa0 [ 350.355507][ T5029] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 350.361407][ T5029] xtInsert+0xf45/0xfa0 [ 350.365577][ T5029] ? xtSearch+0x1ca0/0x1ca0 [ 350.370098][ T5029] ? mark_lock+0x9a/0x340 [ 350.374458][ T5029] ? dquot_drop+0x2a0/0x2a0 [ 350.378981][ T5029] ? rcu_is_watching+0x15/0xb0 [ 350.383748][ T5029] ? __mark_inode_dirty+0x3e7/0xd90 [ 350.388969][ T5029] extAlloc+0xa64/0x1010 [ 350.393238][ T5029] ? jfs_ioc_trim+0x660/0x660 [ 350.397941][ T5029] jfs_get_block+0x41b/0xe60 [ 350.402549][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 350.407504][ T5029] ? _raw_spin_unlock+0x28/0x40 [ 350.412363][ T5029] ? folio_create_buffers+0x132/0x250 [ 350.417744][ T5029] __block_write_begin_int+0x548/0x1a50 [ 350.423315][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 350.428259][ T5029] ? PageUptodate+0x290/0x290 [ 350.432962][ T5029] ? folio_test_hugetlb+0xa0/0x1d0 [ 350.438106][ T5029] ? pagecache_get_page+0xeb/0x220 [ 350.443229][ T5029] ? jfs_dirty_inode+0x240/0x240 [ 350.448170][ T5029] block_write_begin+0x9c/0x1f0 [ 350.453026][ T5029] ? jfs_write_begin+0x1a/0x70 [ 350.457797][ T5029] jfs_write_begin+0x31/0x70 [ 350.462396][ T5029] generic_perform_write+0x300/0x5e0 [ 350.467699][ T5029] ? generic_file_direct_write+0x460/0x460 [ 350.473537][ T5029] ? generic_file_direct_write+0x40f/0x460 [ 350.479413][ T5029] __generic_file_write_iter+0x29b/0x400 [ 350.485111][ T5029] generic_file_write_iter+0xaf/0x310 [ 350.490512][ T5029] do_iter_write+0x7b1/0xcb0 [ 350.495140][ T5029] ? vfs_iter_write+0xa0/0xa0 [ 350.499855][ T5029] ? vfs_iter_write+0x6d/0xa0 [ 350.504544][ T5029] iter_file_splice_write+0x843/0xfe0 [ 350.509940][ T5029] ? splice_from_pipe+0x230/0x230 [ 350.514972][ T5029] ? direct_splice_read+0xa10/0xa10 [ 350.520178][ T5029] ? splice_from_pipe+0x230/0x230 [ 350.525232][ T5029] direct_splice_actor+0xe7/0x1c0 [ 350.530263][ T5029] splice_direct_to_actor+0x4c4/0xbd0 [ 350.535745][ T5029] ? do_splice_direct+0x3d0/0x3d0 [ 350.540786][ T5029] ? pipe_to_sendpage+0x350/0x350 [ 350.545822][ T5029] ? fsnotify_perm+0x67/0x590 [ 350.550514][ T5029] ? bpf_lsm_file_permission+0x9/0x10 [ 350.555898][ T5029] do_splice_direct+0x283/0x3d0 [ 350.560764][ T5029] ? splice_direct_to_actor+0xbd0/0xbd0 [ 350.566320][ T5029] ? rcu_read_lock_any_held+0xb7/0x160 [ 350.571846][ T5029] do_sendfile+0x620/0xff0 [ 350.576307][ T5029] ? do_pwritev+0x360/0x360 [ 350.580910][ T5029] ? restore_fpregs_from_fpstate+0x100/0x250 [ 350.586903][ T5029] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 350.592900][ T5029] __se_sys_sendfile64+0x17c/0x1e0 [ 350.598023][ T5029] ? __x64_sys_sendfile64+0xb0/0xb0 [ 350.603261][ T5029] ? syscall_enter_from_user_mode+0x32/0x230 [ 350.609287][ T5029] ? lockdep_hardirqs_on+0x98/0x140 [ 350.614593][ T5029] ? syscall_enter_from_user_mode+0x32/0x230 [ 350.620593][ T5029] do_syscall_64+0x41/0xc0 [ 350.625055][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 350.630976][ T5029] RIP: 0033:0x7f781e533019 [ 350.635402][ T5029] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 350.655012][ T5029] RSP: 002b:00007f781e4da2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 350.663436][ T5029] RAX: ffffffffffffffda RBX: 00007f781e5be7e0 RCX: 00007f781e533019 [ 350.671415][ T5029] RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000009 [ 350.679429][ T5029] RBP: 00007f781e58b0bc R08: 0000000000000000 R09: 0000000000000000 [ 350.687504][ T5029] R10: 0001000000201004 R11: 0000000000000246 R12: 00007f781e58a098 [ 350.695491][ T5029] R13: 00007f781e58af90 R14: cd3db08b6c4ec6a0 R15: 00007f781e5be7e8 [ 350.703483][ T5029] [ 350.706717][ T5029] Kernel Offset: disabled [ 350.711131][ T5029] Rebooting in 86400 seconds..