./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2365987608 <...> DUID 00:04:e6:d8:3e:4c:c1:15:84:42:dc:00:60:8c:e3:5f:26:b4 no interfaces have a carrier [ 49.101790][ T5496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.115999][ T5496] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.246' (ED25519) to the list of known hosts. execve("./syz-executor2365987608", ["./syz-executor2365987608"], 0x7ffe957c5500 /* 10 vars */) = 0 brk(NULL) = 0x55556b307000 brk(0x55556b307d00) = 0x55556b307d00 arch_prctl(ARCH_SET_FS, 0x55556b307380) = 0 set_tid_address(0x55556b307650) = 5826 set_robust_list(0x55556b307660, 24) = 0 rseq(0x55556b307ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2365987608", 4096) = 28 getrandom("\xee\x32\x56\x11\x05\x39\xca\x25", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b307d00 brk(0x55556b328d00) = 0x55556b328d00 brk(0x55556b329000) = 0x55556b329000 mprotect(0x7f761d0be000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7614c00000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8192) = 8192 munmap(0x7f7614c00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 syzkaller login: [ 75.841584][ T5826] loop0: detected capacity change from 0 to 16 [ 75.861552][ T5826] ======================================================= [ 75.861552][ T5826] WARNING: The mand mount option has been deprecated and [ 75.861552][ T5826] and is ignored by this kernel. Remove the mand [ 75.861552][ T5826] option from the mount to silence this warning. mount("/dev/loop0", "./file1", "erofs", MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME|MS_STRICTATIME, "") = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, ".", O_RDONLY) = 4 [ 75.861552][ T5826] ======================================================= [ 75.899438][ T5826] erofs: (device loop0): mounted with root inode @ nid 36. [ 75.942752][ T5826] ------------[ cut here ]------------ [ 75.948356][ T5826] WARNING: CPU: 0 PID: 5826 at fs/iomap/iter.c:51 iomap_iter+0x9db/0xf60 [ 75.956896][ T5826] Modules linked in: [ 75.960837][ T5826] CPU: 0 UID: 0 PID: 5826 Comm: syz-executor236 Not tainted 6.12.0-rc7-syzkaller #0 [ 75.970341][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 75.980495][ T5826] RIP: 0010:iomap_iter+0x9db/0xf60 [ 75.985657][ T5826] Code: 0f 0b 90 e9 0a f9 ff ff e8 92 7f 65 ff 90 0f 0b 90 e9 42 fd ff ff e8 84 7f 65 ff 90 0f 0b 90 e9 71 fd ff ff e8 76 7f 65 ff 90 <0f> 0b 90 e9 d5 fd ff ff e8 68 7f 65 ff 90 0f 0b 90 43 80 3c 2e 00 [ 76.005423][ T5826] RSP: 0018:ffffc90003ce76e0 EFLAGS: 00010293 [ 76.011576][ T5826] RAX: ffffffff822f5a3a RBX: 0000000000670000 RCX: ffff8880490cda00 [ 76.019694][ T5826] RDX: 0000000000000000 RSI: 0000000000670000 RDI: 0000000000670000 [ 76.027757][ T5826] RBP: 0000000000670000 R08: ffffffff822f580a R09: 1ffffd400024b686 [ 76.035734][ T5826] R10: dffffc0000000000 R11: fffff9400024b687 R12: 1ffff9200079cf05 [ 76.043828][ T5826] R13: dffffc0000000000 R14: 1ffff9200079cf04 R15: ffffc90003ce7820 [ 76.051862][ T5826] FS: 000055556b307380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 76.060914][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.067572][ T5826] CR2: 000000000066c7e0 CR3: 000000007d26e000 CR4: 00000000003526f0 [ 76.075590][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.083689][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.091790][ T5826] Call Trace: [ 76.095085][ T5826] [ 76.098108][ T5826] ? __warn+0x168/0x4e0 [ 76.102302][ T5826] ? iomap_iter+0x9db/0xf60 [ 76.106927][ T5826] ? report_bug+0x2b3/0x500 [ 76.111514][ T5826] ? iomap_iter+0x9db/0xf60 [ 76.116056][ T5826] ? handle_bug+0x60/0x90 [ 76.120509][ T5826] ? exc_invalid_op+0x1a/0x50 [ 76.125295][ T5826] ? asm_exc_invalid_op+0x1a/0x20 [ 76.130437][ T5826] ? iomap_iter+0x7aa/0xf60 [ 76.134991][ T5826] ? iomap_iter+0x9da/0xf60 [ 76.139632][ T5826] ? iomap_iter+0x9db/0xf60 [ 76.144201][ T5826] iomap_fiemap+0x73b/0x9b0 [ 76.148876][ T5826] ? __pfx_iomap_fiemap+0x10/0x10 [ 76.153946][ T5826] ? __might_fault+0xc6/0x120 [ 76.158729][ T5826] ? __pfx_erofs_fiemap+0x10/0x10 [ 76.163805][ T5826] do_vfs_ioctl+0x1bf8/0x2e40 [ 76.168564][ T5826] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 76.173628][ T5826] ? mark_lock+0x9a/0x360 [ 76.178107][ T5826] ? tomoyo_path_number_perm+0x208/0x880 [ 76.183884][ T5826] ? __pfx_lock_release+0x10/0x10 [ 76.189024][ T5826] ? lockdep_hardirqs_on+0x99/0x150 [ 76.194299][ T5826] ? kfree+0x1a0/0x440 [ 76.198487][ T5826] ? tomoyo_path_number_perm+0x68d/0x880 [ 76.204175][ T5826] ? tomoyo_path_number_perm+0x71a/0x880 [ 76.209924][ T5826] ? tomoyo_path_number_perm+0x208/0x880 [ 76.215596][ T5826] ? smack_log+0x123/0x540 [ 76.220109][ T5826] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 76.226157][ T5826] ? __pfx_smack_log+0x10/0x10 [ 76.231097][ T5826] ? smk_access+0x4ab/0x4e0 [ 76.235643][ T5826] ? smk_tskacc+0x300/0x370 [ 76.240368][ T5826] ? smack_file_ioctl+0x2f7/0x3a0 [ 76.245448][ T5826] ? __pfx_smack_file_ioctl+0x10/0x10 [ 76.250933][ T5826] ? __pfx_ptrace_notify+0x10/0x10 [ 76.256092][ T5826] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.262535][ T5826] __se_sys_ioctl+0x81/0x170 [ 76.267255][ T5826] do_syscall_64+0xf3/0x230 [ 76.271788][ T5826] ? clear_bhb_loop+0x35/0x90 [ 76.276716][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.282650][ T5826] RIP: 0033:0x7f761d04b679 [ 76.287146][ T5826] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 76.306891][ T5826] RSP: 002b:00007ffc1fa5b488 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.315403][ T5826] RAX: ffffffffffffffda RBX: 00007ffc1fa5b658 RCX: 00007f761d04b679 [ 76.323474][ T5826] RDX: 0000000020000040 RSI: 00000000c020660b RDI: 0000000000000004 [ 76.331555][ T5826] RBP: 00007f761d0be610 R08: 0000000000000000 R09: 00007ffc1fa5b658 [ 76.339620][ T5826] R10: 00000000000001f9 R11: 0000000000000246 R12: 0000000000000001 [ 76.347728][ T5826] R13: 00007ffc1fa5b648 R14: 0000000000000001 R15: 0000000000000001 [ 76.355841][ T5826] [ 76.358986][ T5826] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.366310][ T5826] CPU: 0 UID: 0 PID: 5826 Comm: syz-executor236 Not tainted 6.12.0-rc7-syzkaller #0 [ 76.375677][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 76.385735][ T5826] Call Trace: [ 76.389015][ T5826] [ 76.391941][ T5826] dump_stack_lvl+0x241/0x360 [ 76.396624][ T5826] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.401825][ T5826] ? __pfx__printk+0x10/0x10 [ 76.406436][ T5826] ? vscnprintf+0x5d/0x90 [ 76.410804][ T5826] panic+0x349/0x880 [ 76.414697][ T5826] ? __warn+0x177/0x4e0 [ 76.418857][ T5826] ? __pfx_panic+0x10/0x10 [ 76.423287][ T5826] __warn+0x34b/0x4e0 [ 76.427267][ T5826] ? iomap_iter+0x9db/0xf60 [ 76.431795][ T5826] report_bug+0x2b3/0x500 [ 76.436123][ T5826] ? iomap_iter+0x9db/0xf60 [ 76.440630][ T5826] handle_bug+0x60/0x90 [ 76.444886][ T5826] exc_invalid_op+0x1a/0x50 [ 76.449419][ T5826] asm_exc_invalid_op+0x1a/0x20 [ 76.454287][ T5826] RIP: 0010:iomap_iter+0x9db/0xf60 [ 76.459409][ T5826] Code: 0f 0b 90 e9 0a f9 ff ff e8 92 7f 65 ff 90 0f 0b 90 e9 42 fd ff ff e8 84 7f 65 ff 90 0f 0b 90 e9 71 fd ff ff e8 76 7f 65 ff 90 <0f> 0b 90 e9 d5 fd ff ff e8 68 7f 65 ff 90 0f 0b 90 43 80 3c 2e 00 [ 76.479014][ T5826] RSP: 0018:ffffc90003ce76e0 EFLAGS: 00010293 [ 76.485082][ T5826] RAX: ffffffff822f5a3a RBX: 0000000000670000 RCX: ffff8880490cda00 [ 76.493051][ T5826] RDX: 0000000000000000 RSI: 0000000000670000 RDI: 0000000000670000 [ 76.501020][ T5826] RBP: 0000000000670000 R08: ffffffff822f580a R09: 1ffffd400024b686 [ 76.509006][ T5826] R10: dffffc0000000000 R11: fffff9400024b687 R12: 1ffff9200079cf05 [ 76.516999][ T5826] R13: dffffc0000000000 R14: 1ffff9200079cf04 R15: ffffc90003ce7820 [ 76.524979][ T5826] ? iomap_iter+0x7aa/0xf60 [ 76.529490][ T5826] ? iomap_iter+0x9da/0xf60 [ 76.534010][ T5826] iomap_fiemap+0x73b/0x9b0 [ 76.538543][ T5826] ? __pfx_iomap_fiemap+0x10/0x10 [ 76.543599][ T5826] ? __might_fault+0xc6/0x120 [ 76.548290][ T5826] ? __pfx_erofs_fiemap+0x10/0x10 [ 76.553322][ T5826] do_vfs_ioctl+0x1bf8/0x2e40 [ 76.558006][ T5826] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 76.563030][ T5826] ? mark_lock+0x9a/0x360 [ 76.567365][ T5826] ? tomoyo_path_number_perm+0x208/0x880 [ 76.572996][ T5826] ? __pfx_lock_release+0x10/0x10 [ 76.578020][ T5826] ? lockdep_hardirqs_on+0x99/0x150 [ 76.583220][ T5826] ? kfree+0x1a0/0x440 [ 76.587284][ T5826] ? tomoyo_path_number_perm+0x68d/0x880 [ 76.592915][ T5826] ? tomoyo_path_number_perm+0x71a/0x880 [ 76.598548][ T5826] ? tomoyo_path_number_perm+0x208/0x880 [ 76.604178][ T5826] ? smack_log+0x123/0x540 [ 76.608590][ T5826] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 76.614568][ T5826] ? __pfx_smack_log+0x10/0x10 [ 76.619344][ T5826] ? smk_access+0x4ab/0x4e0 [ 76.623847][ T5826] ? smk_tskacc+0x300/0x370 [ 76.628365][ T5826] ? smack_file_ioctl+0x2f7/0x3a0 [ 76.633392][ T5826] ? __pfx_smack_file_ioctl+0x10/0x10 [ 76.638781][ T5826] ? __pfx_ptrace_notify+0x10/0x10 [ 76.643896][ T5826] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 76.650229][ T5826] __se_sys_ioctl+0x81/0x170 [ 76.654821][ T5826] do_syscall_64+0xf3/0x230 [ 76.659323][ T5826] ? clear_bhb_loop+0x35/0x90 [ 76.663998][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.669885][ T5826] RIP: 0033:0x7f761d04b679 [ 76.674299][ T5826] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 76.693896][ T5826] RSP: 002b:00007ffc1fa5b488 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.702310][ T5826] RAX: ffffffffffffffda RBX: 00007ffc1fa5b658 RCX: 00007f761d04b679 [ 76.710277][ T5826] RDX: 0000000020000040 RSI: 00000000c020660b RDI: 0000000000000004 [ 76.718258][ T5826] RBP: 00007f761d0be610 R08: 0000000000000000 R09: 00007ffc1fa5b658 [ 76.726225][ T5826] R10: 00000000000001f9 R11: 0000000000000246 R12: 0000000000000001 [ 76.734189][ T5826] R13: 00007ffc1fa5b648 R14: 0000000000000001 R15: 0000000000000001 [ 76.742190][ T5826] [ 76.745539][ T5826] Kernel Offset: disabled [ 76.749893][ T5826] Rebooting in 86400 seconds..