./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor323422805 <...> Warning: Permanently added '10.128.1.64' (ED25519) to the list of known hosts. execve("./syz-executor323422805", ["./syz-executor323422805"], 0x7fff99d53b30 /* 10 vars */) = 0 brk(NULL) = 0x55556b120000 brk(0x55556b120d00) = 0x55556b120d00 arch_prctl(ARCH_SET_FS, 0x55556b120380) = 0 set_tid_address(0x55556b120650) = 5233 set_robust_list(0x55556b120660, 24) = 0 rseq(0x55556b120ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor323422805", 4096) = 27 getrandom("\xff\x9a\xf3\xb1\x41\x0e\x75\x39", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b120d00 brk(0x55556b141d00) = 0x55556b141d00 brk(0x55556b142000) = 0x55556b142000 mprotect(0x7f5ca96f8000, 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) = 0x7f5ca1200000 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(0x7f5ca1200000, 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 [ 77.859939][ T5233] loop0: detected capacity change from 0 to 16 mount("/dev/loop0", "./file1", "erofs", MS_RDONLY|MS_NODIRATIME|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 [ 77.915815][ T5233] erofs: (device loop0): mounted with root inode @ nid 36. [ 77.958405][ T5233] ------------[ cut here ]------------ [ 77.963977][ T5233] WARNING: CPU: 1 PID: 5233 at fs/iomap/iter.c:51 iomap_iter+0x9db/0xf60 [ 77.972574][ T5233] Modules linked in: [ 77.976975][ T5233] CPU: 1 UID: 0 PID: 5233 Comm: syz-executor323 Not tainted 6.12.0-rc2-next-20241011-syzkaller #0 [ 77.987628][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 77.997736][ T5233] RIP: 0010:iomap_iter+0x9db/0xf60 [ 78.002878][ T5233] Code: 0f 0b 90 e9 0a f9 ff ff e8 d2 10 62 ff 90 0f 0b 90 e9 42 fd ff ff e8 c4 10 62 ff 90 0f 0b 90 e9 71 fd ff ff e8 b6 10 62 ff 90 <0f> 0b 90 e9 d5 fd ff ff e8 a8 10 62 ff 90 0f 0b 90 43 80 3c 2e 00 [ 78.022555][ T5233] RSP: 0018:ffffc900036af6e0 EFLAGS: 00010293 [ 78.028695][ T5233] RAX: ffffffff8232e26a RBX: 0000000000004000 RCX: ffff88802b559e00 [ 78.036730][ T5233] RDX: 0000000000000000 RSI: 0000000000018057 RDI: 0000000000004000 [ 78.044742][ T5233] RBP: 0000000000018057 R08: ffffffff8232e03a R09: 1ffffd40001490be [ 78.052812][ T5233] R10: dffffc0000000000 R11: fffff940001490bf R12: 1ffff920006d5f05 [ 78.060883][ T5233] R13: dffffc0000000000 R14: 1ffff920006d5f04 R15: ffffc900036af820 [ 78.068908][ T5233] FS: 000055556b120380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 78.077891][ T5233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.084518][ T5233] CR2: 000000000066c7e0 CR3: 000000007edfe000 CR4: 00000000003526f0 [ 78.092505][ T5233] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.100512][ T5233] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.108519][ T5233] Call Trace: [ 78.111809][ T5233] [ 78.114792][ T5233] ? __warn+0x168/0x4e0 [ 78.118999][ T5233] ? iomap_iter+0x9db/0xf60 [ 78.123564][ T5233] ? report_bug+0x2b3/0x500 [ 78.128144][ T5233] ? iomap_iter+0x9db/0xf60 [ 78.132674][ T5233] ? handle_bug+0x60/0x90 [ 78.137117][ T5233] ? exc_invalid_op+0x1a/0x50 [ 78.141811][ T5233] ? asm_exc_invalid_op+0x1a/0x20 [ 78.146937][ T5233] ? iomap_iter+0x7aa/0xf60 [ 78.151457][ T5233] ? iomap_iter+0x9da/0xf60 [ 78.156020][ T5233] ? iomap_iter+0x9db/0xf60 [ 78.160554][ T5233] iomap_fiemap+0x73b/0x9b0 [ 78.165169][ T5233] ? __pfx_iomap_fiemap+0x10/0x10 [ 78.170231][ T5233] ? __might_fault+0xc6/0x120 [ 78.174996][ T5233] ? __pfx_erofs_fiemap+0x10/0x10 [ 78.180080][ T5233] do_vfs_ioctl+0x1bf8/0x2e40 [ 78.184838][ T5233] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 78.189882][ T5233] ? mark_lock+0x9a/0x360 [ 78.194328][ T5233] ? tomoyo_path_number_perm+0x208/0x880 [ 78.200007][ T5233] ? __pfx_lock_release+0x10/0x10 [ 78.205097][ T5233] ? lockdep_hardirqs_on+0x99/0x150 [ 78.210323][ T5233] ? kfree+0x1a0/0x460 [ 78.214473][ T5233] ? tomoyo_path_number_perm+0x68d/0x880 [ 78.220130][ T5233] ? tomoyo_path_number_perm+0x71a/0x880 [ 78.225853][ T5233] ? tomoyo_path_number_perm+0x208/0x880 [ 78.231505][ T5233] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 78.237576][ T5233] ? __pfx_ptrace_notify+0x10/0x10 [ 78.242722][ T5233] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.249111][ T5233] __se_sys_ioctl+0x81/0x170 [ 78.253775][ T5233] do_syscall_64+0xf3/0x230 [ 78.258307][ T5233] ? clear_bhb_loop+0x35/0x90 [ 78.262995][ T5233] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.268947][ T5233] RIP: 0033:0x7f5ca9685679 [ 78.273435][ T5233] 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 [ 78.293254][ T5233] RSP: 002b:00007ffd8eaa5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.301706][ T5233] RAX: ffffffffffffffda RBX: 00007ffd8eaa5d68 RCX: 00007f5ca9685679 [ 78.309743][ T5233] RDX: 0000000020000040 RSI: 00000000c020660b RDI: 0000000000000004 [ 78.317791][ T5233] RBP: 00007f5ca96f8610 R08: 0000000000000000 R09: 00007ffd8eaa5d68 [ 78.325805][ T5233] R10: 00000000000001e1 R11: 0000000000000246 R12: 0000000000000001 [ 78.333837][ T5233] R13: 00007ffd8eaa5d58 R14: 0000000000000001 R15: 0000000000000001 [ 78.341837][ T5233] [ 78.344913][ T5233] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.352199][ T5233] CPU: 1 UID: 0 PID: 5233 Comm: syz-executor323 Not tainted 6.12.0-rc2-next-20241011-syzkaller #0 [ 78.362764][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.372801][ T5233] Call Trace: [ 78.376065][ T5233] [ 78.378980][ T5233] dump_stack_lvl+0x241/0x360 [ 78.383675][ T5233] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.388887][ T5233] ? __pfx__printk+0x10/0x10 [ 78.393485][ T5233] ? vscnprintf+0x5d/0x90 [ 78.397841][ T5233] panic+0x349/0x880 [ 78.401752][ T5233] ? __warn+0x177/0x4e0 [ 78.405911][ T5233] ? __pfx_panic+0x10/0x10 [ 78.410340][ T5233] __warn+0x34b/0x4e0 [ 78.414317][ T5233] ? iomap_iter+0x9db/0xf60 [ 78.418852][ T5233] report_bug+0x2b3/0x500 [ 78.423203][ T5233] ? iomap_iter+0x9db/0xf60 [ 78.427710][ T5233] handle_bug+0x60/0x90 [ 78.431861][ T5233] exc_invalid_op+0x1a/0x50 [ 78.436356][ T5233] asm_exc_invalid_op+0x1a/0x20 [ 78.441204][ T5233] RIP: 0010:iomap_iter+0x9db/0xf60 [ 78.446312][ T5233] Code: 0f 0b 90 e9 0a f9 ff ff e8 d2 10 62 ff 90 0f 0b 90 e9 42 fd ff ff e8 c4 10 62 ff 90 0f 0b 90 e9 71 fd ff ff e8 b6 10 62 ff 90 <0f> 0b 90 e9 d5 fd ff ff e8 a8 10 62 ff 90 0f 0b 90 43 80 3c 2e 00 [ 78.465914][ T5233] RSP: 0018:ffffc900036af6e0 EFLAGS: 00010293 [ 78.471982][ T5233] RAX: ffffffff8232e26a RBX: 0000000000004000 RCX: ffff88802b559e00 [ 78.479944][ T5233] RDX: 0000000000000000 RSI: 0000000000018057 RDI: 0000000000004000 [ 78.487908][ T5233] RBP: 0000000000018057 R08: ffffffff8232e03a R09: 1ffffd40001490be [ 78.495872][ T5233] R10: dffffc0000000000 R11: fffff940001490bf R12: 1ffff920006d5f05 [ 78.503849][ T5233] R13: dffffc0000000000 R14: 1ffff920006d5f04 R15: ffffc900036af820 [ 78.511821][ T5233] ? iomap_iter+0x7aa/0xf60 [ 78.516322][ T5233] ? iomap_iter+0x9da/0xf60 [ 78.520833][ T5233] iomap_fiemap+0x73b/0x9b0 [ 78.525336][ T5233] ? __pfx_iomap_fiemap+0x10/0x10 [ 78.530365][ T5233] ? __might_fault+0xc6/0x120 [ 78.535036][ T5233] ? __pfx_erofs_fiemap+0x10/0x10 [ 78.540058][ T5233] do_vfs_ioctl+0x1bf8/0x2e40 [ 78.544731][ T5233] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 78.549749][ T5233] ? mark_lock+0x9a/0x360 [ 78.554080][ T5233] ? tomoyo_path_number_perm+0x208/0x880 [ 78.559731][ T5233] ? __pfx_lock_release+0x10/0x10 [ 78.564761][ T5233] ? lockdep_hardirqs_on+0x99/0x150 [ 78.569964][ T5233] ? kfree+0x1a0/0x460 [ 78.574122][ T5233] ? tomoyo_path_number_perm+0x68d/0x880 [ 78.579759][ T5233] ? tomoyo_path_number_perm+0x71a/0x880 [ 78.585392][ T5233] ? tomoyo_path_number_perm+0x208/0x880 [ 78.591028][ T5233] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 78.597031][ T5233] ? __pfx_ptrace_notify+0x10/0x10 [ 78.602142][ T5233] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.608481][ T5233] __se_sys_ioctl+0x81/0x170 [ 78.613068][ T5233] do_syscall_64+0xf3/0x230 [ 78.617571][ T5233] ? clear_bhb_loop+0x35/0x90 [ 78.622330][ T5233] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.628219][ T5233] RIP: 0033:0x7f5ca9685679 [ 78.632628][ T5233] 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 [ 78.652224][ T5233] RSP: 002b:00007ffd8eaa5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.660633][ T5233] RAX: ffffffffffffffda RBX: 00007ffd8eaa5d68 RCX: 00007f5ca9685679 [ 78.668608][ T5233] RDX: 0000000020000040 RSI: 00000000c020660b RDI: 0000000000000004 [ 78.676567][ T5233] RBP: 00007f5ca96f8610 R08: 0000000000000000 R09: 00007ffd8eaa5d68 [ 78.684528][ T5233] R10: 00000000000001e1 R11: 0000000000000246 R12: 0000000000000001 [ 78.692520][ T5233] R13: 00007ffd8eaa5d58 R14: 0000000000000001 R15: 0000000000000001 [ 78.700515][ T5233] [ 78.703788][ T5233] Kernel Offset: disabled [ 78.708143][ T5233] Rebooting in 86400 seconds..