./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2573906595 <...> Warning: Permanently added '10.128.1.137' (ED25519) to the list of known hosts. execve("./syz-executor2573906595", ["./syz-executor2573906595"], 0x7ffc4b05fd10 /* 10 vars */) = 0 brk(NULL) = 0x555556117000 brk(0x555556117d00) = 0x555556117d00 arch_prctl(ARCH_SET_FS, 0x555556117380) = 0 set_tid_address(0x555556117650) = 5046 set_robust_list(0x555556117660, 24) = 0 rseq(0x555556117ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2573906595", 4096) = 28 getrandom("\x52\x75\x01\xf4\x2b\x8e\x26\xd3", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556117d00 brk(0x555556138d00) = 0x555556138d00 brk(0x555556139000) = 0x555556139000 mprotect(0x7f442d210000, 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) = 0x7f4424c00000 [ 68.485241][ T28] audit: type=1400 audit(1705228823.434:86): avc: denied { execmem } for pid=5046 comm="syz-executor257" 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(0x7f4424c00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 [ 68.673395][ T28] audit: type=1400 audit(1705228823.614:87): avc: denied { read write } for pid=5046 comm="syz-executor257" 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 [ 68.677024][ T5046] loop0: detected capacity change from 0 to 32768 close(4) = 0 mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 68.698152][ T28] audit: type=1400 audit(1705228823.624:88): avc: denied { open } for pid=5046 comm="syz-executor257" 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 [ 68.728322][ T28] audit: type=1400 audit(1705228823.624:89): avc: denied { ioctl } for pid=5046 comm="syz-executor257" 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", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID|MS_LAZYTIME, "discard=0x0000000000000080,noquota,iocharset=iso8859-3,usrquota,grpquota,") = 0 [ 68.754700][ T28] audit: type=1400 audit(1705228823.694:90): avc: denied { mounton } for pid=5046 comm="syz-executor257" path="/root/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) open(".", O_RDONLY) = 4 [ 68.802881][ T28] audit: type=1400 audit(1705228823.744:91): avc: denied { mount } for pid=5046 comm="syz-executor257" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 68.827173][ T5046] BUG at fs/jfs/jfs_dmap.c:2983 assert(n < 4) [ 68.833421][ T5046] ------------[ cut here ]------------ [ 68.839052][ T5046] kernel BUG at fs/jfs/jfs_dmap.c:2983! [ 68.844912][ T5046] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 68.850987][ T5046] CPU: 0 PID: 5046 Comm: syz-executor257 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 [ 68.861053][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 68.871094][ T5046] RIP: 0010:dbFindLeaf+0x1da/0x2d0 [ 68.876213][ T5046] Code: 41 5e 41 5f c3 e8 d6 79 8d fe 48 c7 c1 c0 df 0a 8b ba a7 0b 00 00 48 c7 c6 c0 dd 0a 8b 48 c7 c7 40 de 0a 8b e8 a7 3d 70 fe 90 <0f> 0b e8 af 79 8d fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01 [ 68.895823][ T5046] RSP: 0018:ffffc900035ffa60 EFLAGS: 00010282 [ 68.901889][ T5046] RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff8169d3d9 [ 68.909843][ T5046] RDX: 0000000000000000 RSI: ffffffff816a58a2 RDI: 0000000000000005 [ 68.917798][ T5046] RBP: ffff88807a2b2010 R08: 0000000000000005 R09: 0000000000000000 [ 68.925750][ T5046] R10: 0000000080000000 R11: 0000000000000001 R12: 000000000000000a [ 68.933702][ T5046] R13: 0000000000000155 R14: 0000000000000020 R15: 00000000ffffffff [ 68.941674][ T5046] FS: 0000555556117380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 68.950597][ T5046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.957187][ T5046] CR2: 000055ceaf648838 CR3: 00000000243ec000 CR4: 00000000003506f0 [ 68.965156][ T5046] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.973122][ T5046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.981100][ T5046] Call Trace: [ 68.984373][ T5046] [ 68.987299][ T5046] ? show_regs+0x8f/0xa0 [ 68.991548][ T5046] ? die+0x36/0xa0 [ 68.995272][ T5046] ? do_trap+0x22b/0x420 [ 68.999521][ T5046] ? dbFindLeaf+0x1da/0x2d0 [ 69.004028][ T5046] ? dbFindLeaf+0x1da/0x2d0 [ 69.008537][ T5046] ? do_error_trap+0xf4/0x230 [ 69.013218][ T5046] ? dbFindLeaf+0x1da/0x2d0 [ 69.017725][ T5046] ? handle_invalid_op+0x34/0x40 [ 69.022667][ T5046] ? dbFindLeaf+0x1da/0x2d0 [ 69.027173][ T5046] ? exc_invalid_op+0x2e/0x40 [ 69.031850][ T5046] ? asm_exc_invalid_op+0x1a/0x20 [ 69.036885][ T5046] ? __wake_up_klogd.part.0+0x99/0xf0 [ 69.042262][ T5046] ? vprintk+0x82/0x90 [ 69.046326][ T5046] ? dbFindLeaf+0x1da/0x2d0 [ 69.050833][ T5046] dbAllocDmapLev+0xac/0x2f0 [ 69.055431][ T5046] ? dbAllocNext+0x410/0x410 [ 69.060024][ T5046] ? folio_unlock+0x81/0xd0 [ 69.064551][ T5046] ? __get_metapage+0x522/0x1170 [ 69.069487][ T5046] dbAllocCtl+0x12c/0x7b0 [ 69.073822][ T5046] ? up_write+0x510/0x510 [ 69.078154][ T5046] dbAllocAG+0x8c5/0xd20 [ 69.082400][ T5046] ? rcu_is_watching+0x12/0xb0 [ 69.087167][ T5046] ? dbAllocCtl+0x7b0/0x7b0 [ 69.091673][ T5046] ? trace_kmalloc+0x26/0xa0 [ 69.096270][ T5046] ? __kmalloc.cold+0x5c/0x61 [ 69.100948][ T5046] dbDiscardAG+0x23a/0x790 [ 69.105374][ T5046] ? dbReAlloc+0x4c0/0x4c0 [ 69.109792][ T5046] ? preempt_count_sub+0x160/0x160 [ 69.114899][ T5046] jfs_ioc_trim+0x406/0x5c0 [ 69.119411][ T5046] jfs_ioctl+0x337/0x430 [ 69.123654][ T5046] ? jfs_fileattr_set+0x500/0x500 [ 69.128677][ T5046] ? selinux_file_ioctl+0xb5/0x270 [ 69.133791][ T5046] ? jfs_fileattr_set+0x500/0x500 [ 69.138816][ T5046] __x64_sys_ioctl+0x18f/0x210 [ 69.143587][ T5046] do_syscall_64+0xd3/0x250 [ 69.148096][ T5046] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 69.153995][ T5046] RIP: 0033:0x7f442d1976f9 [ 69.158405][ T5046] 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 [ 69.178008][ T5046] RSP: 002b:00007fffb18f3868 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.186416][ T5046] RAX: ffffffffffffffda RBX: 00007fffb18f3a38 RCX: 00007f442d1976f9 [ 69.194381][ T5046] RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000004 [ 69.202345][ T5046] RBP: 00007f442d210610 R08: 0000000000000000 R09: 00007fffb18f3a38 [ 69.210317][ T5046] R10: 00007f442d1d2ab3 R11: 0000000000000246 R12: 0000000000000001 [ 69.218373][ T5046] R13: 00007fffb18f3a28 R14: 0000000000000001 R15: 0000000000000001 [ 69.226363][ T5046] [ 69.229378][ T5046] Modules linked in: [ 69.237618][ T5046] ---[ end trace 0000000000000000 ]--- [ 69.243139][ T5046] RIP: 0010:dbFindLeaf+0x1da/0x2d0 [ 69.248494][ T5046] Code: 41 5e 41 5f c3 e8 d6 79 8d fe 48 c7 c1 c0 df 0a 8b ba a7 0b 00 00 48 c7 c6 c0 dd 0a 8b 48 c7 c7 40 de 0a 8b e8 a7 3d 70 fe 90 <0f> 0b e8 af 79 8d fe 46 8d 34 b5 01 00 00 00 31 ff 83 6c 24 0c 01 [ 69.268198][ T5046] RSP: 0018:ffffc900035ffa60 EFLAGS: 00010282 [ 69.274284][ T5046] RAX: 000000000000002b RBX: 0000000000000004 RCX: ffffffff8169d3d9 [ 69.282354][ T5046] RDX: 0000000000000000 RSI: ffffffff816a58a2 RDI: 0000000000000005 [ 69.290356][ T5046] RBP: ffff88807a2b2010 R08: 0000000000000005 R09: 0000000000000000 [ 69.298345][ T5046] R10: 0000000080000000 R11: 0000000000000001 R12: 000000000000000a [ 69.306394][ T5046] R13: 0000000000000155 R14: 0000000000000020 R15: 00000000ffffffff [ 69.314350][ T5046] FS: 0000555556117380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 69.323313][ T5046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.329919][ T5046] CR2: 00007f270aa1b580 CR3: 00000000243ec000 CR4: 00000000003506f0 [ 69.337918][ T5046] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.345905][ T5046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.353861][ T5046] Kernel panic - not syncing: Fatal exception [ 69.360085][ T5046] Kernel Offset: disabled [ 69.364408][ T5046] Rebooting in 86400 seconds..