./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3648851129 <...> Warning: Permanently added '10.128.1.114' (ED25519) to the list of known hosts. execve("./syz-executor3648851129", ["./syz-executor3648851129"], 0x7ffdf1545890 /* 10 vars */) = 0 brk(NULL) = 0x55555562f000 brk(0x55555562fd00) = 0x55555562fd00 arch_prctl(ARCH_SET_FS, 0x55555562f380) = 0 set_tid_address(0x55555562f650) = 5057 set_robust_list(0x55555562f660, 24) = 0 rseq(0x55555562fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3648851129", 4096) = 28 getrandom("\x0f\x4a\x50\xf8\xa8\x57\x77\xd2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555562fd00 brk(0x555555650d00) = 0x555555650d00 brk(0x555555651000) = 0x555555651000 mprotect(0x7f9db9cfa000, 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) = 0x7f9db1837000 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(0x7f9db1837000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 53.988278][ T5057] loop0: detected capacity change from 0 to 32768 [ 54.012210][ T5057] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 54.020555][ T5057] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 54.036726][ T5057] gfs2: fsid=syz:syz.0: journal 0 mapped with 26 extents in 0ms [ 54.046123][ T923] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 54.053228][ T923] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... mount("/dev/loop0", "./file0", "gfs2", MS_RDONLY|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_RELATIME, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 54.085771][ T923] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 32ms [ 54.093699][ T923] gfs2: fsid=syz:syz.0: jid=0: Done [ 54.099514][ T5057] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 54.116371][ T5057] ------------[ cut here ]------------ [ 54.122043][ T5057] WARNING: CPU: 1 PID: 5057 at fs/gfs2/rgrp.c:2630 gfs2_check_blk_type+0x44a/0x670 [ 54.131448][ T5057] Modules linked in: [ 54.135370][ T5057] CPU: 1 PID: 5057 Comm: syz-executor364 Not tainted 6.7.0-rc7-syzkaller #0 [ 54.144164][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.154273][ T5057] RIP: 0010:gfs2_check_blk_type+0x44a/0x670 [ 54.160408][ T5057] Code: d4 01 00 00 8b 1b 89 df 44 89 f6 e8 b0 66 c5 fd 4c 89 74 24 10 44 39 f3 76 23 e8 21 65 c5 fd 45 31 ed eb 70 e8 17 65 c5 fd 90 <0f> 0b 90 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 fe 64 [ 54.180049][ T5057] RSP: 0018:ffffc900042478e0 EFLAGS: 00010293 [ 54.186109][ T5057] RAX: ffffffff83c91498 RBX: ffff88802a566028 RCX: ffff88807eb53b80 [ 54.194110][ T5057] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013 [ 54.202139][ T5057] RBP: ffffc900042479f0 R08: ffffffff83c9148e R09: 1ffff1100fa3d1f4 [ 54.210173][ T5057] R10: dffffc0000000000 R11: ffffed100fa3d1f5 R12: 1ffff110054acc06 [ 54.218170][ T5057] R13: ffff88802a566000 R14: 0000000000000012 R15: 0000000000000013 [ 54.226214][ T5057] FS: 000055555562f380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 54.235167][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.241780][ T5057] CR2: 00005629bcfe4148 CR3: 0000000018ff2000 CR4: 00000000003506f0 [ 54.249787][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.257781][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.265735][ T5057] Call Trace: [ 54.269137][ T5057] [ 54.272083][ T5057] ? __warn+0x162/0x4b0 [ 54.276261][ T5057] ? gfs2_check_blk_type+0x44a/0x670 [ 54.281603][ T5057] ? report_bug+0x2b3/0x500 [ 54.286109][ T5057] ? gfs2_check_blk_type+0x44a/0x670 [ 54.291423][ T5057] ? handle_bug+0x3e/0x60 [ 54.295763][ T5057] ? exc_invalid_op+0x1a/0x50 [ 54.300476][ T5057] ? asm_exc_invalid_op+0x1a/0x20 [ 54.305510][ T5057] ? gfs2_check_blk_type+0x38e/0x670 [ 54.310823][ T5057] ? gfs2_check_blk_type+0x398/0x670 [ 54.316122][ T5057] ? gfs2_check_blk_type+0x44a/0x670 [ 54.321442][ T5057] ? gfs2_free_di+0x3c0/0x3c0 [ 54.326129][ T5057] ? gfs2_inode_lookup+0xb01/0xc50 [ 54.331270][ T5057] ? gfs2_glock_wait+0x213/0x2b0 [ 54.336211][ T5057] gfs2_inode_lookup+0xb01/0xc50 [ 54.341179][ T5057] ? gfs2_lookup_by_inum+0x51/0xf0 [ 54.346292][ T5057] ? set_meta_super+0x10/0x10 [ 54.350991][ T5057] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 54.356923][ T5057] ? _raw_spin_unlock+0x40/0x40 [ 54.361765][ T5057] ? gfs2_lookup_by_inum+0x51/0xf0 [ 54.366911][ T5057] gfs2_lookup_by_inum+0x51/0xf0 [ 54.371854][ T5057] gfs2_fh_to_dentry+0x135/0x200 [ 54.376833][ T5057] exportfs_decode_fh_raw+0x14b/0x5d0 [ 54.382218][ T5057] ? do_handle_open+0x650/0x650 [ 54.387124][ T5057] ? exportfs_encode_fh+0x3f0/0x3f0 [ 54.392378][ T5057] ? do_handle_open+0x650/0x650 [ 54.397271][ T5057] exportfs_decode_fh+0x3c/0x70 [ 54.402128][ T5057] do_handle_open+0x490/0x650 [ 54.406852][ T5057] ? __x64_compat_sys_open_by_handle_at+0x80/0x80 [ 54.413273][ T5057] ? syscall_enter_from_user_mode+0xa4/0x2d0 [ 54.419307][ T5057] ? syscall_enter_from_user_mode+0xf5/0x2d0 [ 54.425295][ T5057] do_syscall_64+0x45/0x110 [ 54.429836][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 54.435828][ T5057] RIP: 0033:0x7f9db9c745c9 [ 54.440270][ T5057] 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 [ 54.459899][ T5057] RSP: 002b:00007fff59a1bb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 54.468432][ T5057] RAX: ffffffffffffffda RBX: 00007fff59a1bd68 RCX: 00007f9db9c745c9 [ 54.476498][ T5057] RDX: 0000000000000000 RSI: 0000000020012940 RDI: 0000000000000003 [ 54.484510][ T5057] RBP: 00007f9db9cfa610 R08: 0000000000012714 R09: 00007fff59a1bd68 [ 54.492525][ T5057] R10: 00007fff59a1ba50 R11: 0000000000000246 R12: 0000000000000001 [ 54.500543][ T5057] R13: 00007fff59a1bd58 R14: 0000000000000001 R15: 0000000000000001 [ 54.508571][ T5057] [ 54.511599][ T5057] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.518868][ T5057] CPU: 1 PID: 5057 Comm: syz-executor364 Not tainted 6.7.0-rc7-syzkaller #0 [ 54.527528][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.537578][ T5057] Call Trace: [ 54.540938][ T5057] [ 54.543863][ T5057] dump_stack_lvl+0x1e7/0x2d0 [ 54.548543][ T5057] ? nf_tcp_handle_invalid+0x650/0x650 [ 54.553995][ T5057] ? panic+0x850/0x850 [ 54.558064][ T5057] ? vscnprintf+0x5d/0x80 [ 54.562389][ T5057] panic+0x349/0x850 [ 54.566275][ T5057] ? __warn+0x171/0x4b0 [ 54.570425][ T5057] ? __memcpy_flushcache+0x2b0/0x2b0 [ 54.575801][ T5057] __warn+0x318/0x4b0 [ 54.579778][ T5057] ? gfs2_check_blk_type+0x44a/0x670 [ 54.585063][ T5057] report_bug+0x2b3/0x500 [ 54.589388][ T5057] ? gfs2_check_blk_type+0x44a/0x670 [ 54.594676][ T5057] handle_bug+0x3e/0x60 [ 54.598830][ T5057] exc_invalid_op+0x1a/0x50 [ 54.603401][ T5057] asm_exc_invalid_op+0x1a/0x20 [ 54.608272][ T5057] RIP: 0010:gfs2_check_blk_type+0x44a/0x670 [ 54.614267][ T5057] Code: d4 01 00 00 8b 1b 89 df 44 89 f6 e8 b0 66 c5 fd 4c 89 74 24 10 44 39 f3 76 23 e8 21 65 c5 fd 45 31 ed eb 70 e8 17 65 c5 fd 90 <0f> 0b 90 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 fe 64 [ 54.633872][ T5057] RSP: 0018:ffffc900042478e0 EFLAGS: 00010293 [ 54.639935][ T5057] RAX: ffffffff83c91498 RBX: ffff88802a566028 RCX: ffff88807eb53b80 [ 54.647898][ T5057] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013 [ 54.655861][ T5057] RBP: ffffc900042479f0 R08: ffffffff83c9148e R09: 1ffff1100fa3d1f4 [ 54.663822][ T5057] R10: dffffc0000000000 R11: ffffed100fa3d1f5 R12: 1ffff110054acc06 [ 54.671786][ T5057] R13: ffff88802a566000 R14: 0000000000000012 R15: 0000000000000013 [ 54.679758][ T5057] ? gfs2_check_blk_type+0x38e/0x670 [ 54.685045][ T5057] ? gfs2_check_blk_type+0x398/0x670 [ 54.690334][ T5057] ? gfs2_free_di+0x3c0/0x3c0 [ 54.695007][ T5057] ? gfs2_inode_lookup+0xb01/0xc50 [ 54.700114][ T5057] ? gfs2_glock_wait+0x213/0x2b0 [ 54.705043][ T5057] gfs2_inode_lookup+0xb01/0xc50 [ 54.709979][ T5057] ? gfs2_lookup_by_inum+0x51/0xf0 [ 54.715079][ T5057] ? set_meta_super+0x10/0x10 [ 54.719744][ T5057] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 54.725627][ T5057] ? _raw_spin_unlock+0x40/0x40 [ 54.730478][ T5057] ? gfs2_lookup_by_inum+0x51/0xf0 [ 54.735595][ T5057] gfs2_lookup_by_inum+0x51/0xf0 [ 54.740525][ T5057] gfs2_fh_to_dentry+0x135/0x200 [ 54.745459][ T5057] exportfs_decode_fh_raw+0x14b/0x5d0 [ 54.750823][ T5057] ? do_handle_open+0x650/0x650 [ 54.755701][ T5057] ? exportfs_encode_fh+0x3f0/0x3f0 [ 54.761266][ T5057] ? do_handle_open+0x650/0x650 [ 54.766108][ T5057] exportfs_decode_fh+0x3c/0x70 [ 54.771037][ T5057] do_handle_open+0x490/0x650 [ 54.775796][ T5057] ? __x64_compat_sys_open_by_handle_at+0x80/0x80 [ 54.782210][ T5057] ? syscall_enter_from_user_mode+0xa4/0x2d0 [ 54.788450][ T5057] ? syscall_enter_from_user_mode+0xf5/0x2d0 [ 54.794428][ T5057] do_syscall_64+0x45/0x110 [ 54.798946][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 54.804869][ T5057] RIP: 0033:0x7f9db9c745c9 [ 54.809285][ T5057] 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 [ 54.828902][ T5057] RSP: 002b:00007fff59a1bb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 54.837317][ T5057] RAX: ffffffffffffffda RBX: 00007fff59a1bd68 RCX: 00007f9db9c745c9 [ 54.845300][ T5057] RDX: 0000000000000000 RSI: 0000000020012940 RDI: 0000000000000003 [ 54.853268][ T5057] RBP: 00007f9db9cfa610 R08: 0000000000012714 R09: 00007fff59a1bd68 [ 54.861235][ T5057] R10: 00007fff59a1ba50 R11: 0000000000000246 R12: 0000000000000001 [ 54.869295][ T5057] R13: 00007fff59a1bd58 R14: 0000000000000001 R15: 0000000000000001 [ 54.877277][ T5057] [ 54.880500][ T5057] Kernel Offset: disabled [ 54.884872][ T5057] Rebooting in 86400 seconds..