./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4038515605 <...> Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts. execve("./syz-executor4038515605", ["./syz-executor4038515605"], 0x7ffe081102b0 /* 10 vars */) = 0 brk(NULL) = 0x555556f01000 brk(0x555556f01d00) = 0x555556f01d00 arch_prctl(ARCH_SET_FS, 0x555556f01380) = 0 set_tid_address(0x555556f01650) = 5056 set_robust_list(0x555556f01660, 24) = 0 rseq(0x555556f01ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4038515605", 4096) = 28 getrandom("\xcd\xdc\xe2\x0c\x3c\x7d\x6a\xed", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f01d00 brk(0x555556f22d00) = 0x555556f22d00 brk(0x555556f23000) = 0x555556f23000 mprotect(0x7f025e0ac000, 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) = 0x7f0255a00000 [ 78.286288][ T28] audit: type=1400 audit(1709518674.541:86): avc: denied { execmem } for pid=5056 comm="syz-executor403" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 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(0x7f0255a00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 [ 78.525102][ T28] audit: type=1400 audit(1709518674.781:87): avc: denied { read write } for pid=5056 comm="syz-executor403" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 78.538702][ T5056] loop0: detected capacity change from 0 to 32768 close(4) = 0 mkdir("./file0", 0777) = 0 [ 78.550087][ T28] audit: type=1400 audit(1709518674.781:88): avc: denied { open } for pid=5056 comm="syz-executor403" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 78.580382][ T28] audit: type=1400 audit(1709518674.791:89): avc: denied { ioctl } for pid=5056 comm="syz-executor403" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODIRATIME|MS_STRICTATIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC, 000) = 4 [ 78.618083][ T28] audit: type=1400 audit(1709518674.871:90): avc: denied { mounton } for pid=5056 comm="syz-executor403" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 78.643034][ T28] audit: type=1400 audit(1709518674.891:91): avc: denied { mount } for pid=5056 comm="syz-executor403" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 78.665373][ T28] audit: type=1400 audit(1709518674.891:92): avc: denied { write } for pid=5056 comm="syz-executor403" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 78.688111][ T28] audit: type=1400 audit(1709518674.891:93): avc: denied { add_name } for pid=5056 comm="syz-executor403" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 78.709504][ T28] audit: type=1400 audit(1709518674.901:94): avc: denied { create } for pid=5056 comm="syz-executor403" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 78.730666][ T28] audit: type=1400 audit(1709518674.901:95): avc: denied { read write } for pid=5056 comm="syz-executor403" name="file2" dev="loop0" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 78.978947][ T5056] BUG at fs/jfs/jfs_dmap.c:2977 assert(n < 4) [ 78.985399][ T5056] ------------[ cut here ]------------ [ 78.990933][ T5056] kernel BUG at fs/jfs/jfs_dmap.c:2977! [ 78.996493][ T5056] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 79.002903][ T5056] CPU: 1 PID: 5056 Comm: syz-executor403 Not tainted 6.8.0-rc6-syzkaller-00278-g58c806d867bf #0 [ 79.013301][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 79.023440][ T5056] RIP: 0010:dbFindLeaf+0x1e2/0x2d0 [ 79.028554][ T5056] Code: c3 cc cc cc cc e8 9e 08 8c fe 48 c7 c1 c0 17 4a 8b ba a1 0b 00 00 48 c7 c6 c0 15 4a 8b 48 c7 c7 40 16 4a 8b e8 5f f2 6d fe 90 <0f> 0b e8 77 08 8c fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01 [ 79.048164][ T5056] RSP: 0018:ffffc900033a7328 EFLAGS: 00010282 [ 79.054220][ T5056] RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff816d5009 [ 79.062632][ T5056] RDX: 0000000000000000 RSI: ffffffff816dd886 RDI: 0000000000000005 [ 79.070601][ T5056] RBP: ffff8880153b7010 R08: 0000000000000005 R09: 0000000000000000 [ 79.078564][ T5056] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 [ 79.086531][ T5056] R13: 0000000000000155 R14: 0000000000000014 R15: 00000000ffffffff [ 79.094496][ T5056] FS: 0000555556f01380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 79.103423][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.110004][ T5056] CR2: 0000000020ea0000 CR3: 0000000022514000 CR4: 00000000003506f0 [ 79.117973][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.125937][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.133903][ T5056] Call Trace: [ 79.137177][ T5056] [ 79.140102][ T5056] ? show_regs+0x8f/0xa0 [ 79.144355][ T5056] ? die+0x36/0xa0 [ 79.148082][ T5056] ? do_trap+0x22b/0x420 [ 79.152326][ T5056] ? dbFindLeaf+0x1e2/0x2d0 [ 79.156829][ T5056] ? dbFindLeaf+0x1e2/0x2d0 [ 79.161329][ T5056] ? do_error_trap+0xf4/0x230 [ 79.166011][ T5056] ? dbFindLeaf+0x1e2/0x2d0 [ 79.170511][ T5056] ? handle_invalid_op+0x34/0x40 [ 79.175448][ T5056] ? dbFindLeaf+0x1e2/0x2d0 [ 79.179943][ T5056] ? exc_invalid_op+0x2e/0x50 [ 79.184630][ T5056] ? asm_exc_invalid_op+0x1a/0x20 [ 79.189652][ T5056] ? __wake_up_klogd.part.0+0x99/0xf0 [ 79.195029][ T5056] ? vprintk+0x86/0xa0 [ 79.199094][ T5056] ? dbFindLeaf+0x1e2/0x2d0 [ 79.203589][ T5056] ? dbFindLeaf+0x1e1/0x2d0 [ 79.208090][ T5056] dbAllocDmapLev+0xac/0x2f0 [ 79.212679][ T5056] ? __pfx_dbAllocDmapLev+0x10/0x10 [ 79.217873][ T5056] ? folio_unlock+0x81/0xd0 [ 79.222372][ T5056] ? __get_metapage+0x522/0x1170 [ 79.227310][ T5056] dbAllocCtl+0x12c/0x7b0 [ 79.231640][ T5056] dbAllocAG+0x8c9/0xd30 [ 79.235879][ T5056] ? __pfx_dbAllocAG+0x10/0x10 [ 79.240638][ T5056] ? __pfx___might_resched+0x10/0x10 [ 79.245933][ T5056] dbAlloc+0x415/0xab0 [ 79.249999][ T5056] extAlloc+0x50a/0xf00 [ 79.254158][ T5056] ? __pfx_extAlloc+0x10/0x10 [ 79.258832][ T5056] ? __pfx___might_resched+0x10/0x10 [ 79.264127][ T5056] jfs_get_block+0x42c/0xb20 [ 79.268717][ T5056] ? __pfx_jfs_get_block+0x10/0x10 [ 79.273826][ T5056] ? create_empty_buffers+0x3a5/0x480 [ 79.279197][ T5056] ? __pfx_jfs_get_block+0x10/0x10 [ 79.284393][ T5056] __block_write_begin_int+0x4fb/0x16e0 [ 79.289943][ T5056] ? __pfx_jfs_get_block+0x10/0x10 [ 79.295054][ T5056] ? __pfx___block_write_begin_int+0x10/0x10 [ 79.301036][ T5056] block_write_begin+0xb1/0x4a0 [ 79.305887][ T5056] ? __pfx_jfs_get_block+0x10/0x10 [ 79.310999][ T5056] jfs_write_begin+0x31/0xe0 [ 79.315587][ T5056] generic_perform_write+0x273/0x620 [ 79.320872][ T5056] ? __pfx_generic_perform_write+0x10/0x10 [ 79.326675][ T5056] ? generic_update_time+0xcf/0xf0 [ 79.331779][ T5056] ? mnt_put_write_access_file+0x45/0xf0 [ 79.337413][ T5056] __generic_file_write_iter+0x1fd/0x240 [ 79.343050][ T5056] generic_file_write_iter+0xe7/0x350 [ 79.348436][ T5056] do_iter_readv_writev+0x41d/0x670 [ 79.353641][ T5056] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 79.359366][ T5056] vfs_writev+0x36f/0xdb0 [ 79.363699][ T5056] ? __pfx_vfs_writev+0x10/0x10 [ 79.368563][ T5056] ? ptrace_stop.part.0+0x457/0x950 [ 79.373759][ T5056] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 79.379134][ T5056] ? cgroup_update_frozen+0x144/0x6b0 [ 79.384507][ T5056] ? find_held_lock+0x2d/0x110 [ 79.389292][ T5056] ? do_pwritev+0x1b3/0x260 [ 79.393800][ T5056] do_pwritev+0x1b3/0x260 [ 79.398135][ T5056] ? __pfx_do_pwritev+0x10/0x10 [ 79.402988][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.408191][ T5056] ? lockdep_hardirqs_on+0x7d/0x110 [ 79.413385][ T5056] __x64_sys_pwritev2+0xef/0x160 [ 79.418334][ T5056] do_syscall_64+0xd5/0x270 [ 79.422835][ T5056] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 79.428745][ T5056] RIP: 0033:0x7f025e033139 [ 79.433155][ T5056] 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 [ 79.452759][ T5056] RSP: 002b:00007ffc1c157378 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 79.461175][ T5056] RAX: ffffffffffffffda RBX: 00007ffc1c157558 RCX: 00007f025e033139 [ 79.469140][ T5056] RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 [ 79.477104][ T5056] RBP: 00007f025e0ac610 R08: 0000000000000000 R09: 0000000000000000 [ 79.485069][ T5056] R10: 0000000000005405 R11: 0000000000000246 R12: 0000000000000001 [ 79.493034][ T5056] R13: 00007ffc1c157548 R14: 0000000000000001 R15: 0000000000000001 [ 79.501002][ T5056] [ 79.504012][ T5056] Modules linked in: [ 79.508137][ T5056] ---[ end trace 0000000000000000 ]--- [ 79.513623][ T5056] RIP: 0010:dbFindLeaf+0x1e2/0x2d0 [ 79.518782][ T5056] Code: c3 cc cc cc cc e8 9e 08 8c fe 48 c7 c1 c0 17 4a 8b ba a1 0b 00 00 48 c7 c6 c0 15 4a 8b 48 c7 c7 40 16 4a 8b e8 5f f2 6d fe 90 <0f> 0b e8 77 08 8c fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01 [ 79.538434][ T5056] RSP: 0018:ffffc900033a7328 EFLAGS: 00010282 [ 79.544498][ T5056] RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff816d5009 [ 79.552573][ T5056] RDX: 0000000000000000 RSI: ffffffff816dd886 RDI: 0000000000000005 [ 79.560565][ T5056] RBP: ffff8880153b7010 R08: 0000000000000005 R09: 0000000000000000 [ 79.568551][ T5056] R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 [ 79.576524][ T5056] R13: 0000000000000155 R14: 0000000000000014 R15: 00000000ffffffff [ 79.584543][ T5056] FS: 0000555556f01380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 79.593501][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.600099][ T5056] CR2: 00005599b28e5c30 CR3: 0000000022514000 CR4: 00000000003506f0 [ 79.608107][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.616077][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.624066][ T5056] Kernel panic - not syncing: Fatal exception [ 79.630419][ T5056] Kernel Offset: disabled [ 79.634743][ T5056] Rebooting in 86400 seconds..