./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2013110315 <...> Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. execve("./syz-executor2013110315", ["./syz-executor2013110315"], 0x7ffc34a71210 /* 10 vars */) = 0 brk(NULL) = 0x555555988000 brk(0x555555988d00) = 0x555555988d00 arch_prctl(ARCH_SET_FS, 0x555555988380) = 0 set_tid_address(0x555555988650) = 5041 set_robust_list(0x555555988660, 24) = 0 rseq(0x555555988ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2013110315", 4096) = 28 getrandom("\xad\xa6\x49\x82\x8c\x33\x2a\x7a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555988d00 brk(0x5555559a9d00) = 0x5555559a9d00 brk(0x5555559aa000) = 0x5555559aa000 mprotect(0x7f7dd0bd2000, 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) = 0x7f7dc871c000 [ 72.720996][ T5041] syz-executor201[5041]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set 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(0x7f7dc871c000, 16777216) = 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 [ 72.870712][ T5041] loop0: detected capacity change from 0 to 32768 [ 72.887548][ T5041] BUG at fs/jfs/jfs_dmap.c:2959 assert(n < 4) [ 72.894012][ T5041] ------------[ cut here ]------------ [ 72.899526][ T5041] kernel BUG at fs/jfs/jfs_dmap.c:2959! [ 72.905082][ T5041] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 72.911156][ T5041] CPU: 0 PID: 5041 Comm: syz-executor201 Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 72.921049][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 72.931092][ T5041] RIP: 0010:dbFindLeaf+0x14e/0x240 [ 72.936192][ T5041] Code: fe 83 fb 04 75 8c e8 a1 9a 90 fe 48 c7 c1 40 b5 ca 8a ba 8f 0b 00 00 48 c7 c6 80 b3 ca 8a 48 c7 c7 c0 b3 ca 8a e8 22 b7 73 fe <0f> 0b e8 7b 9a 90 fe 46 8d 34 ad 01 00 00 00 31 ff 83 6c 24 04 01 [ 72.955800][ T5041] RSP: 0018:ffffc90003dd7a80 EFLAGS: 00010286 [ 72.961880][ T5041] RAX: 000000000000002b RBX: 0000000000000004 RCX: 0000000000000000 [ 72.969841][ T5041] RDX: 0000000000000000 RSI: ffffffff816b8b92 RDI: 0000000000000005 [ 72.977799][ T5041] RBP: ffff888072d52010 R08: 0000000000000005 R09: 0000000000000000 [ 72.985764][ T5041] R10: 0000000080000000 R11: 0000000000000001 R12: 000000000000000a [ 72.993716][ T5041] R13: 0000000000000020 R14: 000000000000001d R15: 00000000ffffffff [ 73.001671][ T5041] FS: 0000555555988380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.010586][ T5041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.017157][ T5041] CR2: 00007f147f9f1b10 CR3: 0000000072d56000 CR4: 00000000003506f0 [ 73.025115][ T5041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.033076][ T5041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.041034][ T5041] Call Trace: [ 73.044304][ T5041] [ 73.047217][ T5041] ? show_regs+0x8f/0xa0 [ 73.051448][ T5041] ? die+0x36/0xa0 [ 73.055156][ T5041] ? do_trap+0x22b/0x420 [ 73.059388][ T5041] ? dbFindLeaf+0x14e/0x240 [ 73.063879][ T5041] ? dbFindLeaf+0x14e/0x240 [ 73.068366][ T5041] ? do_error_trap+0xf4/0x230 [ 73.073029][ T5041] ? dbFindLeaf+0x14e/0x240 [ 73.077516][ T5041] ? handle_invalid_op+0x34/0x40 [ 73.082467][ T5041] ? dbFindLeaf+0x14e/0x240 [ 73.086953][ T5041] ? exc_invalid_op+0x2d/0x40 [ 73.091610][ T5041] ? asm_exc_invalid_op+0x1a/0x20 [ 73.096617][ T5041] ? vprintk+0x82/0x90 [ 73.100683][ T5041] ? dbFindLeaf+0x14e/0x240 [ 73.105173][ T5041] dbAllocDmapLev+0xaa/0x2f0 [ 73.109752][ T5041] ? dbAllocNext+0x410/0x410 [ 73.114325][ T5041] ? folio_unlock+0x81/0xd0 [ 73.118811][ T5041] ? __get_metapage+0x522/0x1170 [ 73.123826][ T5041] dbAllocCtl+0x12c/0x7b0 [ 73.128142][ T5041] ? rcu_read_unlock+0x9/0x60 [ 73.132808][ T5041] dbAllocAG+0x8c5/0xd20 [ 73.137035][ T5041] ? rcu_is_watching+0x12/0xb0 [ 73.141782][ T5041] ? dbAllocCtl+0x7b0/0x7b0 [ 73.146269][ T5041] ? __phys_addr+0xc6/0x140 [ 73.150758][ T5041] ? rcu_is_watching+0x12/0xb0 [ 73.155505][ T5041] dbDiscardAG+0x23a/0x790 [ 73.159909][ T5041] ? dbReAlloc+0x4c0/0x4c0 [ 73.164312][ T5041] ? preempt_count_sub+0x150/0x150 [ 73.169416][ T5041] jfs_ioc_trim+0x406/0x5c0 [ 73.173908][ T5041] jfs_ioctl+0x337/0x430 [ 73.178131][ T5041] ? jfs_fileattr_set+0x500/0x500 [ 73.183136][ T5041] ? bpf_lsm_file_ioctl+0x9/0x10 [ 73.188058][ T5041] ? jfs_fileattr_set+0x500/0x500 [ 73.193062][ T5041] __x64_sys_ioctl+0x18f/0x210 [ 73.197813][ T5041] do_syscall_64+0x38/0xb0 [ 73.202220][ T5041] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.208105][ T5041] RIP: 0033:0x7f7dd0b596f9 [ 73.212502][ T5041] 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 [ 73.232088][ T5041] RSP: 002b:00007ffce32079d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.240483][ T5041] RAX: ffffffffffffffda RBX: 00007ffce3207ba8 RCX: 00007f7dd0b596f9 [ 73.248438][ T5041] RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000004 [ 73.256391][ T5041] RBP: 00007f7dd0bd2610 R08: 0000000000000000 R09: 00007ffce3207ba8 [ 73.264346][ T5041] R10: 00007f7dd0b94ab3 R11: 0000000000000246 R12: 0000000000000001 [ 73.272301][ T5041] R13: 00007ffce3207b98 R14: 0000000000000001 R15: 0000000000000001 [ 73.280262][ T5041] [ 73.283261][ T5041] Modules linked in: [ 73.287392][ T5041] ---[ end trace 0000000000000000 ]--- [ 73.292885][ T5041] RIP: 0010:dbFindLeaf+0x14e/0x240 [ 73.298046][ T5041] Code: fe 83 fb 04 75 8c e8 a1 9a 90 fe 48 c7 c1 40 b5 ca 8a ba 8f 0b 00 00 48 c7 c6 80 b3 ca 8a 48 c7 c7 c0 b3 ca 8a e8 22 b7 73 fe <0f> 0b e8 7b 9a 90 fe 46 8d 34 ad 01 00 00 00 31 ff 83 6c 24 04 01 [ 73.317677][ T5041] RSP: 0018:ffffc90003dd7a80 EFLAGS: 00010286 [ 73.323774][ T5041] RAX: 000000000000002b RBX: 0000000000000004 RCX: 0000000000000000 [ 73.331757][ T5041] RDX: 0000000000000000 RSI: ffffffff816b8b92 RDI: 0000000000000005 [ 73.339753][ T5041] RBP: ffff888072d52010 R08: 0000000000000005 R09: 0000000000000000 [ 73.347774][ T5041] R10: 0000000080000000 R11: 0000000000000001 R12: 000000000000000a [ 73.355767][ T5041] R13: 0000000000000020 R14: 000000000000001d R15: 00000000ffffffff [ 73.363756][ T5041] FS: 0000555555988380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.372703][ T5041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.379313][ T5041] CR2: 00007f147f9f1b10 CR3: 0000000072d56000 CR4: 00000000003506f0 [ 73.387295][ T5041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.395276][ T5041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.403298][ T5041] Kernel panic - not syncing: Fatal exception [ 73.409552][ T5041] Kernel Offset: disabled [ 73.413860][ T5041] Rebooting in 86400 seconds..