./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4061719737 <...> Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. execve("./syz-executor4061719737", ["./syz-executor4061719737"], 0x7ffde9eb1f60 /* 10 vars */) = 0 brk(NULL) = 0x555575599000 brk(0x555575599d00) = 0x555575599d00 arch_prctl(ARCH_SET_FS, 0x555575599380) = 0 set_tid_address(0x555575599650) = 5058 set_robust_list(0x555575599660, 24) = 0 rseq(0x555575599ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4061719737", 4096) = 28 getrandom("\xa4\xda\xce\x38\x81\xcf\xc0\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575599d00 brk(0x5555755bad00) = 0x5555755bad00 brk(0x5555755bb000) = 0x5555755bb000 mprotect(0x7fe5f6cdc000, 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 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe5ee800000 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"..., 16777216) = 16777216 munmap(0x7fe5ee800000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_REC|MS_STRICTATIME|MS_LAZYTIME, "uid=0x0000000000000000,usrquota,integrity,iocharset=iso8859-3,iocharset=iso8859-1,errors=remount-ro,"...) = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 55.402083][ T5058] loop0: detected capacity change from 0 to 32768 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 55.485333][ T5058] BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32) [ 55.492065][ T5058] ------------[ cut here ]------------ [ 55.497615][ T5058] kernel BUG at fs/jfs/jfs_dmap.c:3028! [ 55.503185][ T5058] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 55.509591][ T5058] CPU: 0 PID: 5058 Comm: syz-executor406 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 55.519632][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 55.529672][ T5058] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 55.534794][ T5058] Code: 49 08 90 0f 0b e8 02 05 76 fe 48 c7 c7 60 f8 e1 8b 48 c7 c6 a0 f5 e1 8b ba d4 0b 00 00 48 c7 c1 40 00 e2 8b e8 13 9f 49 08 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 [ 55.554387][ T5058] RSP: 0018:ffffc90003bb6e20 EFLAGS: 00010246 [ 55.560441][ T5058] RAX: 0000000000000030 RBX: 0000000000000000 RCX: d41ff8d3f08d5000 [ 55.568396][ T5058] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.576356][ T5058] RBP: 0000000000000020 R08: ffffffff8175c06c R09: 1ffff92000776d64 [ 55.584310][ T5058] R10: dffffc0000000000 R11: fffff52000776d65 R12: 0000000000000001 [ 55.592265][ T5058] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.600218][ T5058] FS: 0000555575599380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 55.609136][ T5058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.615708][ T5058] CR2: 000055678d8f5c38 CR3: 000000007f3a8000 CR4: 00000000003506f0 [ 55.623754][ T5058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.631709][ T5058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.639663][ T5058] Call Trace: [ 55.642929][ T5058] [ 55.645847][ T5058] ? __die_body+0x88/0xe0 [ 55.650170][ T5058] ? die+0xcf/0x110 [ 55.653962][ T5058] ? do_trap+0x15a/0x3a0 [ 55.658196][ T5058] ? dbFindBits+0x1ce/0x1d0 [ 55.662684][ T5058] ? do_error_trap+0x1dc/0x2c0 [ 55.667456][ T5058] ? dbFindBits+0x1ce/0x1d0 [ 55.671989][ T5058] ? __pfx_do_error_trap+0x10/0x10 [ 55.677113][ T5058] ? handle_invalid_op+0x34/0x40 [ 55.682063][ T5058] ? dbFindBits+0x1ce/0x1d0 [ 55.686569][ T5058] ? exc_invalid_op+0x38/0x50 [ 55.691248][ T5058] ? asm_exc_invalid_op+0x1a/0x20 [ 55.696262][ T5058] ? __wake_up_klogd+0xcc/0x110 [ 55.701106][ T5058] ? dbFindBits+0x1ce/0x1d0 [ 55.705602][ T5058] dbAllocDmapLev+0x1e9/0x4a0 [ 55.710274][ T5058] ? __pfx_dbAllocDmapLev+0x10/0x10 [ 55.715475][ T5058] dbAllocCtl+0x113/0x920 [ 55.719804][ T5058] dbAllocAG+0x28f/0x10b0 [ 55.724126][ T5058] ? __down_write_common+0x162/0x200 [ 55.729418][ T5058] ? __pfx_dbAllocAG+0x10/0x10 [ 55.734171][ T5058] dbAlloc+0x658/0xca0 [ 55.738246][ T5058] ? __pfx_dbAlloc+0x10/0x10 [ 55.742831][ T5058] ? __kasan_kmalloc+0x98/0xb0 [ 55.747585][ T5058] ? dtInsert+0x885/0x6b00 [ 55.751997][ T5058] ? kmalloc_trace+0x1db/0x360 [ 55.756756][ T5058] ? dtInsert+0x885/0x6b00 [ 55.761166][ T5058] dtInsert+0xda7/0x6b00 [ 55.765416][ T5058] ? __pfx_dtInsert+0x10/0x10 [ 55.770102][ T5058] ? __pfx_lock_acquire+0x10/0x10 [ 55.775122][ T5058] ? txLock+0x2b5/0x21a0 [ 55.779352][ T5058] ? __pfx_lock_release+0x10/0x10 [ 55.784361][ T5058] ? do_raw_spin_lock+0x14f/0x370 [ 55.789388][ T5058] ? do_raw_spin_unlock+0x13c/0x8b0 [ 55.794588][ T5058] ? dtSearch+0x1d59/0x2520 [ 55.799084][ T5058] ? kfree+0x14a/0x380 [ 55.803158][ T5058] jfs_create+0x7ba/0xb90 [ 55.807485][ T5058] ? __pfx_jfs_create+0x10/0x10 [ 55.812326][ T5058] ? __pfx_jfs_lookup+0x10/0x10 [ 55.817172][ T5058] ? make_vfsuid+0x46/0x90 [ 55.821576][ T5058] ? bpf_lsm_inode_create+0x9/0x10 [ 55.826678][ T5058] ? security_inode_create+0xc2/0x110 [ 55.832038][ T5058] ? __pfx_jfs_create+0x10/0x10 [ 55.836878][ T5058] path_openat+0x1425/0x3240 [ 55.841472][ T5058] ? __pfx_path_openat+0x10/0x10 [ 55.846406][ T5058] do_filp_open+0x235/0x490 [ 55.850897][ T5058] ? __pfx_do_filp_open+0x10/0x10 [ 55.855918][ T5058] ? _raw_spin_unlock+0x28/0x50 [ 55.860756][ T5058] ? alloc_fd+0x59d/0x640 [ 55.865073][ T5058] do_sys_openat2+0x13e/0x1d0 [ 55.869743][ T5058] ? __pfx_do_sys_openat2+0x10/0x10 [ 55.874932][ T5058] ? lockdep_hardirqs_on+0x99/0x150 [ 55.880119][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50 [ 55.885305][ T5058] ? ptrace_notify+0x279/0x380 [ 55.890062][ T5058] __x64_sys_openat+0x247/0x2a0 [ 55.894911][ T5058] ? __pfx___x64_sys_openat+0x10/0x10 [ 55.900272][ T5058] ? do_syscall_64+0x10a/0x240 [ 55.905026][ T5058] ? syscall_trace_enter+0x5f/0x150 [ 55.910212][ T5058] do_syscall_64+0xfb/0x240 [ 55.914701][ T5058] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 55.920582][ T5058] RIP: 0033:0x7fe5f6c639f9 [ 55.924992][ T5058] 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 [ 55.944668][ T5058] RSP: 002b:00007ffc79bb1058 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.953153][ T5058] RAX: ffffffffffffffda RBX: 00007fe5f6cac04b RCX: 00007fe5f6c639f9 [ 55.961114][ T5058] RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c [ 55.969080][ T5058] RBP: 00007fe5f6cdc610 R08: 0000000000000000 R09: 0000000000000000 [ 55.977057][ T5058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.985014][ T5058] R13: 00007ffc79bb1228 R14: 0000000000000001 R15: 0000000000000001 [ 55.992992][ T5058] [ 55.996012][ T5058] Modules linked in: [ 56.000242][ T5058] ---[ end trace 0000000000000000 ]--- [ 56.005896][ T5058] RIP: 0010:dbFindBits+0x1ce/0x1d0 [ 56.011025][ T5058] Code: 49 08 90 0f 0b e8 02 05 76 fe 48 c7 c7 60 f8 e1 8b 48 c7 c6 a0 f5 e1 8b ba d4 0b 00 00 48 c7 c1 40 00 e2 8b e8 13 9f 49 08 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 [ 56.030720][ T5058] RSP: 0018:ffffc90003bb6e20 EFLAGS: 00010246 [ 56.036832][ T5058] RAX: 0000000000000030 RBX: 0000000000000000 RCX: d41ff8d3f08d5000 [ 56.044845][ T5058] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.052820][ T5058] RBP: 0000000000000020 R08: ffffffff8175c06c R09: 1ffff92000776d64 [ 56.060816][ T5058] R10: dffffc0000000000 R11: fffff52000776d65 R12: 0000000000000001 [ 56.068834][ T5058] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.076815][ T5058] FS: 0000555575599380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 56.085776][ T5058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.092343][ T5058] CR2: 000000000066c7e0 CR3: 000000007f3a8000 CR4: 00000000003506f0 [ 56.100353][ T5058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.108391][ T5058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.116688][ T5058] Kernel panic - not syncing: Fatal exception [ 56.123024][ T5058] Kernel Offset: disabled [ 56.127348][ T5058] Rebooting in 86400 seconds..