./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2436692435 <...> Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. execve("./syz-executor2436692435", ["./syz-executor2436692435"], 0x7fffe7e2f6e0 /* 10 vars */) = 0 brk(NULL) = 0x555555b08000 brk(0x555555b08d00) = 0x555555b08d00 arch_prctl(ARCH_SET_FS, 0x555555b08380) = 0 set_tid_address(0x555555b08650) = 5061 set_robust_list(0x555555b08660, 24) = 0 rseq(0x555555b08ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2436692435", 4096) = 28 getrandom("\xd2\x6f\xa4\x7d\x78\x68\x17\xbe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555b08d00 brk(0x555555b29d00) = 0x555555b29d00 brk(0x555555b2a000) = 0x555555b2a000 mprotect(0x7f5d85476000, 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) = 0x7f5d7cfc0000 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(0x7f5d7cfc0000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_LAZYTIME, "discard=0x0000000000000080,noquota,iocharset=iso8859-3,usrquota,grpquota,") = 0 openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 open(".", O_RDONLY) = 4 [ 72.243872][ T5061] loop0: detected capacity change from 0 to 32768 [ 72.311665][ T5061] BUG at fs/jfs/jfs_dmap.c:2972 assert(n < 4) [ 72.318436][ T5061] ------------[ cut here ]------------ [ 72.324005][ T5061] kernel BUG at fs/jfs/jfs_dmap.c:2972! [ 72.329710][ T5061] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 72.335817][ T5061] CPU: 0 PID: 5061 Comm: syz-executor243 Not tainted 6.6.0-syzkaller-14500-g1c41041124bd #0 [ 72.345921][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 72.356723][ T5061] RIP: 0010:dbFindLeaf+0x4de/0x4e0 [ 72.361861][ T5061] Code: fe e9 55 ff ff ff e8 91 83 7b fe 48 c7 c7 a0 3b a2 8b 48 c7 c6 e0 38 a2 8b ba 9c 0b 00 00 48 c7 c1 60 46 a2 8b e8 c2 52 00 08 <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 48 89 fb 49 be 00 [ 72.381462][ T5061] RSP: 0018:ffffc90003a4f978 EFLAGS: 00010246 [ 72.387534][ T5061] RAX: 000000000000002b RBX: 00000000ffffffff RCX: 8c59ad7d79a32500 [ 72.395593][ T5061] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 72.403558][ T5061] RBP: 000000000000001d R08: ffffffff8171771c R09: 1ffff92000749ed0 [ 72.411525][ T5061] R10: dffffc0000000000 R11: fffff52000749ed1 R12: 0000000000000155 [ 72.419513][ T5061] R13: 0000000000000002 R14: 0000000000000020 R15: 000000000000000a [ 72.427479][ T5061] FS: 0000555555b08380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.436408][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.442993][ T5061] CR2: 00007ffead86e000 CR3: 00000000771f6000 CR4: 00000000003506f0 [ 72.450968][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.458943][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.466915][ T5061] Call Trace: [ 72.470194][ T5061] [ 72.473129][ T5061] ? __die_body+0x8b/0xe0 [ 72.477467][ T5061] ? die+0xa1/0xd0 [ 72.481194][ T5061] ? do_trap+0x153/0x380 [ 72.485453][ T5061] ? dbFindLeaf+0x4de/0x4e0 [ 72.489969][ T5061] ? do_error_trap+0x1dc/0x2c0 [ 72.494743][ T5061] ? dbFindLeaf+0x4de/0x4e0 [ 72.499281][ T5061] ? do_int3+0x50/0x50 [ 72.503362][ T5061] ? handle_invalid_op+0x34/0x40 [ 72.508306][ T5061] ? dbFindLeaf+0x4de/0x4e0 [ 72.512820][ T5061] ? exc_invalid_op+0x33/0x50 [ 72.517518][ T5061] ? asm_exc_invalid_op+0x1a/0x20 [ 72.522568][ T5061] ? __wake_up_klogd+0xcc/0x100 [ 72.527429][ T5061] ? dbFindLeaf+0x4de/0x4e0 [ 72.531964][ T5061] ? dbFindLeaf+0x4de/0x4e0 [ 72.536484][ T5061] dbAllocDmapLev+0xd3/0x490 [ 72.541093][ T5061] ? dbAllocNear+0x390/0x390 [ 72.545699][ T5061] dbAllocCtl+0x113/0x920 [ 72.550045][ T5061] dbAllocAG+0x28f/0x10b0 [ 72.554390][ T5061] ? __phys_addr+0xba/0x170 [ 72.558924][ T5061] ? dbAllocDmapLev+0x490/0x490 [ 72.563798][ T5061] ? dbDiscardAG+0x21f/0xa10 [ 72.568403][ T5061] ? rcu_is_watching+0x15/0xb0 [ 72.573207][ T5061] ? dbDiscardAG+0x21f/0xa10 [ 72.577815][ T5061] ? trace_kmalloc+0x1f/0xa0 [ 72.582433][ T5061] ? __kmalloc+0x15d/0x230 [ 72.586870][ T5061] dbDiscardAG+0x352/0xa10 [ 72.591307][ T5061] ? dbReAlloc+0x470/0x470 [ 72.595737][ T5061] ? __lock_acquire+0x7f70/0x7f70 [ 72.600791][ T5061] jfs_ioc_trim+0x433/0x660 [ 72.605316][ T5061] jfs_ioctl+0x2d0/0x3e0 [ 72.609590][ T5061] ? jfs_fileattr_set+0x410/0x410 [ 72.614660][ T5061] ? bpf_lsm_file_ioctl+0x9/0x10 [ 72.619622][ T5061] ? security_file_ioctl+0x81/0xa0 [ 72.624748][ T5061] ? jfs_fileattr_set+0x410/0x410 [ 72.629797][ T5061] __se_sys_ioctl+0xf8/0x170 [ 72.634417][ T5061] do_syscall_64+0x44/0x110 [ 72.639030][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.644942][ T5061] RIP: 0033:0x7f5d853fd6f9 [ 72.649369][ T5061] 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 [ 72.668978][ T5061] RSP: 002b:00007ffead86db68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.677401][ T5061] RAX: ffffffffffffffda RBX: 00007ffead86dd38 RCX: 00007f5d853fd6f9 [ 72.685377][ T5061] RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000004 [ 72.693356][ T5061] RBP: 00007f5d85476610 R08: 0000000000000000 R09: 00007ffead86dd38 [ 72.701332][ T5061] R10: 00007f5d85438ab3 R11: 0000000000000246 R12: 0000000000000001 [ 72.709308][ T5061] R13: 00007ffead86dd28 R14: 0000000000000001 R15: 0000000000000001 [ 72.717292][ T5061] [ 72.720314][ T5061] Modules linked in: [ 72.724408][ T5061] ---[ end trace 0000000000000000 ]--- [ 72.729889][ T5061] RIP: 0010:dbFindLeaf+0x4de/0x4e0 [ 72.735115][ T5061] Code: fe e9 55 ff ff ff e8 91 83 7b fe 48 c7 c7 a0 3b a2 8b 48 c7 c6 e0 38 a2 8b ba 9c 0b 00 00 48 c7 c1 60 46 a2 8b e8 c2 52 00 08 <0f> 0b 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 48 89 fb 49 be 00 [ 72.754819][ T5061] RSP: 0018:ffffc90003a4f978 EFLAGS: 00010246 [ 72.760908][ T5061] RAX: 000000000000002b RBX: 00000000ffffffff RCX: 8c59ad7d79a32500 [ 72.768923][ T5061] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 72.776935][ T5061] RBP: 000000000000001d R08: ffffffff8171771c R09: 1ffff92000749ed0 [ 72.784942][ T5061] R10: dffffc0000000000 R11: fffff52000749ed1 R12: 0000000000000155 [ 72.793006][ T5061] R13: 0000000000000002 R14: 0000000000000020 R15: 000000000000000a [ 72.800996][ T5061] FS: 0000555555b08380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.809962][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.816703][ T5061] CR2: 00007ffead86e000 CR3: 00000000771f6000 CR4: 00000000003506f0 [ 72.824719][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.832714][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.840747][ T5061] Kernel panic - not syncing: Fatal exception [ 72.847155][ T5061] Kernel Offset: disabled [ 72.851498][ T5061] Rebooting in 86400 seconds..