./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1263252853 <...> forked to background, child pid 3182 no interfaces have a carrier [ 17.017312][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 17.027271][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. execve("./syz-executor1263252853", ["./syz-executor1263252853"], 0x7ffda5818600 /* 10 vars */) = 0 brk(NULL) = 0x555555cbc000 brk(0x555555cbcc40) = 0x555555cbcc40 arch_prctl(ARCH_SET_FS, 0x555555cbc300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1263252853", 4096) = 28 brk(0x555555cddc40) = 0x555555cddc40 brk(0x555555cde000) = 0x555555cde000 mprotect(0x7f9af1424000, 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 memfd_create("syzkaller", 0) = 3 ftruncate(3, 67108864) = 0 pwrite64(3, "\xe2\xe1\xf5\xe0\x95\x21\xe9\x09\x02\x00\x18\x00\x0c\x00\x24", 15, 1024) = 15 pwrite64(3, "\x06\x00\x27\x0a\x95\x44\x05\xbc\x26\xa9\x66\x95\xa3\xbc\x32\xc1\x45\x9f\x25\x11\xbc\xc1\xfb\x4b\x27\x6e\x6b\x57\x51\xed\x47\x08\x00\x00\x00\x00\x02\x00\x00\x7f\xaa\x09\x4f\x90\x00\x00\x00\x00\x00\x00", 50, 1152) = 50 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "erofs", 0, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 close(3) = 0 syzkaller login: [ 37.119577][ T3604] loop0: detected capacity change from 0 to 131072 [ 37.128090][ T3604] erofs: (device loop0): mounted with root inode @ nid 36. [ 37.138899][ T3604] ------------[ cut here ]------------ [ 37.144725][ T3604] WARNING: CPU: 1 PID: 3604 at fs/iomap/iter.c:34 iomap_iter+0xd80/0x1100 [ 37.153242][ T3604] Modules linked in: [ 37.157473][ T3604] CPU: 1 PID: 3604 Comm: syz-executor126 Not tainted 6.0.0-syzkaller-09413-g4899a36f91a9 #0 [ 37.167578][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.177660][ T3604] RIP: 0010:iomap_iter+0xd80/0x1100 [ 37.183020][ T3604] Code: f8 ff ff e8 e2 9f d3 ff e9 34 f8 ff ff e8 c8 89 86 ff 0f 0b e9 f1 f9 ff ff e8 bc 89 86 ff 0f 0b e9 86 f7 ff ff e8 b0 89 86 ff <0f> 0b e9 5e f7 ff ff e8 a4 89 86 ff 0f 0b e9 1a f7 ff ff e8 98 89 [ 37.202645][ T3604] RSP: 0018:ffffc90003dcfa88 EFLAGS: 00010293 [ 37.208818][ T3604] RAX: 0000000000000000 RBX: ffffc90003dcfb98 RCX: 0000000000000000 [ 37.216807][ T3604] RDX: ffff8880269fbb00 RSI: ffffffff81f4bd80 RDI: 0000000000000007 [ 37.224789][ T3604] RBP: 000000009566a926 R08: 0000000000000007 R09: 0000000000000000 [ 37.232739][ T3604] R10: 0000000000000000 R11: 000000000008c07c R12: 0000000000000000 [ 37.240728][ T3604] R13: 000000009566a929 R14: ffffc90003dcfbc0 R15: ffffc90003dcfc08 [ 37.248734][ T3604] FS: 0000555555cbc300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 37.257714][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.264360][ T3604] CR2: 0000000000a82258 CR3: 00000000263ea000 CR4: 0000000000350ee0 [ 37.272421][ T3604] Call Trace: [ 37.275774][ T3604] [ 37.278712][ T3604] ? fiemap_prep+0x13f/0x220 [ 37.283315][ T3604] iomap_fiemap+0x1e8/0x360 [ 37.287868][ T3604] ? iomap_bmap+0x280/0x280 [ 37.292554][ T3604] ? debug_check_no_obj_freed+0x20c/0x420 [ 37.298319][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.303920][ T3604] ? lock_release+0x560/0x780 [ 37.308673][ T3604] erofs_fiemap+0x6d/0xa0 [ 37.312985][ T3604] do_vfs_ioctl+0x466/0x15c0 [ 37.317605][ T3604] ? vfs_fileattr_set+0xbe0/0xbe0 [ 37.322642][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.328136][ T3604] ? lock_release+0x560/0x780 [ 37.332811][ T3604] ? calibrate_delay+0xe50/0x1120 [ 37.337878][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 37.342736][ T3604] ? bpf_lsm_file_ioctl+0x5/0x10 [ 37.347756][ T3604] __x64_sys_ioctl+0x108/0x200 [ 37.352533][ T3604] do_syscall_64+0x35/0xb0 [ 37.357014][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.363017][ T3604] RIP: 0033:0x7f9af13b7d89 [ 37.367468][ T3604] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c0 ff ff ff f7 d8 64 89 01 48 [ 37.387139][ T3604] RSP: 002b:00007ffc6ed83828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.395603][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9af13b7d89 [ 37.403617][ T3604] RDX: 0000000020000380 RSI: 00000000c020660b RDI: 0000000000000005 [ 37.411600][ T3604] RBP: 00007f9af1377580 R08: 0000555555cbc2c0 R09: 0000000000000000 [ 37.419656][ T3604] R10: 00007ffc6ed836e0 R11: 0000000000000246 R12: 00007f9af1377610 [ 37.427691][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.435708][ T3604] [ 37.438728][ T3604] Kernel panic - not syncing: panic_on_warn set ... [ 37.445289][ T3604] CPU: 1 PID: 3604 Comm: syz-executor126 Not tainted 6.0.0-syzkaller-09413-g4899a36f91a9 #0 [ 37.455329][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.465363][ T3604] Call Trace: [ 37.468622][ T3604] [ 37.471545][ T3604] dump_stack_lvl+0xcd/0x134 [ 37.476118][ T3604] panic+0x2c8/0x622 [ 37.479998][ T3604] ? panic_print_sys_info.part.0+0x10b/0x10b [ 37.485963][ T3604] ? __warn.cold+0x248/0x2c4 [ 37.490549][ T3604] ? iomap_iter+0xd80/0x1100 [ 37.495121][ T3604] __warn.cold+0x259/0x2c4 [ 37.499520][ T3604] ? iomap_iter+0xd80/0x1100 [ 37.504090][ T3604] report_bug+0x1bc/0x210 [ 37.508413][ T3604] handle_bug+0x3c/0x70 [ 37.512565][ T3604] exc_invalid_op+0x14/0x40 [ 37.517053][ T3604] asm_exc_invalid_op+0x16/0x20 [ 37.522158][ T3604] RIP: 0010:iomap_iter+0xd80/0x1100 [ 37.527347][ T3604] Code: f8 ff ff e8 e2 9f d3 ff e9 34 f8 ff ff e8 c8 89 86 ff 0f 0b e9 f1 f9 ff ff e8 bc 89 86 ff 0f 0b e9 86 f7 ff ff e8 b0 89 86 ff <0f> 0b e9 5e f7 ff ff e8 a4 89 86 ff 0f 0b e9 1a f7 ff ff e8 98 89 [ 37.547047][ T3604] RSP: 0018:ffffc90003dcfa88 EFLAGS: 00010293 [ 37.553100][ T3604] RAX: 0000000000000000 RBX: ffffc90003dcfb98 RCX: 0000000000000000 [ 37.561157][ T3604] RDX: ffff8880269fbb00 RSI: ffffffff81f4bd80 RDI: 0000000000000007 [ 37.569128][ T3604] RBP: 000000009566a926 R08: 0000000000000007 R09: 0000000000000000 [ 37.577082][ T3604] R10: 0000000000000000 R11: 000000000008c07c R12: 0000000000000000 [ 37.585036][ T3604] R13: 000000009566a929 R14: ffffc90003dcfbc0 R15: ffffc90003dcfc08 [ 37.592995][ T3604] ? iomap_iter+0xd80/0x1100 [ 37.597581][ T3604] ? iomap_iter+0xd80/0x1100 [ 37.602159][ T3604] ? fiemap_prep+0x13f/0x220 [ 37.606753][ T3604] iomap_fiemap+0x1e8/0x360 [ 37.611251][ T3604] ? iomap_bmap+0x280/0x280 [ 37.615833][ T3604] ? debug_check_no_obj_freed+0x20c/0x420 [ 37.621543][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.626995][ T3604] ? lock_release+0x560/0x780 [ 37.631689][ T3604] erofs_fiemap+0x6d/0xa0 [ 37.636014][ T3604] do_vfs_ioctl+0x466/0x15c0 [ 37.640592][ T3604] ? vfs_fileattr_set+0xbe0/0xbe0 [ 37.645609][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.651063][ T3604] ? lock_release+0x560/0x780 [ 37.655737][ T3604] ? calibrate_delay+0xe50/0x1120 [ 37.660844][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 37.665680][ T3604] ? bpf_lsm_file_ioctl+0x5/0x10 [ 37.670619][ T3604] __x64_sys_ioctl+0x108/0x200 [ 37.675391][ T3604] do_syscall_64+0x35/0xb0 [ 37.679798][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.685697][ T3604] RIP: 0033:0x7f9af13b7d89 [ 37.690095][ T3604] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c0 ff ff ff f7 d8 64 89 01 48 [ 37.709704][ T3604] RSP: 002b:00007ffc6ed83828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.718208][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9af13b7d89 [ 37.726252][ T3604] RDX: 0000000020000380 RSI: 00000000c020660b RDI: 0000000000000005 [ 37.734222][ T3604] RBP: 00007f9af1377580 R08: 0000555555cbc2c0 R09: 0000000000000000 [ 37.742194][ T3604] R10: 00007ffc6ed836e0 R11: 0000000000000246 R12: 00007f9af1377610 [ 37.750166][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.758125][ T3604] [ 37.761805][ T3604] Kernel Offset: disabled [ 37.766115][ T3604] Rebooting in 86400 seconds..