./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3089534007
<...>
DUID 00:04:7c:7c:42:18:3f:30:8d:b4:e2:57:c6:a5:0a:a4:65:8b
forked to background, child pid 4659
[ 40.407182][ T4660] 8021q: adding VLAN 0 to HW filter on device bond0
[ 40.427847][ T4660] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.10.21' (ECDSA) to the list of known hosts.
execve("./syz-executor3089534007", ["./syz-executor3089534007"], 0x7ffccdbd17a0 /* 10 vars */) = 0
brk(NULL) = 0x555555f12000
brk(0x555555f12c40) = 0x555555f12c40
arch_prctl(ARCH_SET_FS, 0x555555f12300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3089534007", 4096) = 28
brk(0x555555f33c40) = 0x555555f33c40
brk(0x555555f34000) = 0x555555f34000
mprotect(0x7f63b5366000, 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) = 0x7f63acead000
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"..., 262144) = 262144
munmap(0x7f63acead000, 262144) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
syzkaller login: [ 70.150643][ T4993] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4993 'syz-executor308'
[ 70.169796][ T4993] loop0: detected capacity change from 0 to 512
[ 70.182650][ T4993] EXT4-fs: Ignoring removed mblk_io_submit option
[ 70.190848][ T4993] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
[ 70.209899][ T4993] EXT4-fs error (device loop0): ext4_xattr_inode_iget:436: inode #12: comm syz-executor308: casefold flag without casefold feature
[ 70.224619][ T4993] ------------[ cut here ]------------
[ 70.230092][ T4993] Looking for class "&ea_inode->i_rwsem" with key ext4_fs_type, but found a different class "&type->i_mutex_dir_key" with the same key
[ 70.243989][ T4993] WARNING: CPU: 1 PID: 4993 at kernel/locking/lockdep.c:941 look_up_lock_class+0xc2/0x140
[ 70.253905][ T4993] Modules linked in:
[ 70.257804][ T4993] CPU: 1 PID: 4993 Comm: syz-executor308 Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
[ 70.267870][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
[ 70.277919][ T4993] RIP: 0010:look_up_lock_class+0xc2/0x140
[ 70.283642][ T4993] Code: 8b 16 48 c7 c0 60 91 1e 90 48 39 c2 74 46 f6 05 92 87 92 03 01 75 3d c6 05 89 87 92 03 01 48 c7 c7 40 af ea 8a e8 ee 29 a4 f6 <0f> 0b eb 26 e8 15 2f 81 f9 48 c7 c7 80 ae ea 8a 89 de e8 37 ca fd
[ 70.303245][ T4993] RSP: 0018:ffffc90003b7f090 EFLAGS: 00010046
[ 70.309316][ T4993] RAX: adf3f2136120b500 RBX: ffffffff9005c4e0 RCX: ffff88802d63d940
[ 70.317285][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 70.325251][ T4993] RBP: ffffc90003b7f190 R08: ffffffff81531182 R09: ffffed1017325163
[ 70.333235][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 70.341210][ T4993] R13: 1ffff9200076fe20 R14: ffff888078b36800 R15: ffffffff8d0df979
[ 70.349176][ T4993] FS: 0000555555f12300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 70.358099][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 70.364676][ T4993] CR2: 00000000005fdeb8 CR3: 000000002c0ce000 CR4: 00000000003506e0
[ 70.372654][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 70.380631][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 70.388688][ T4993] Call Trace:
[ 70.391961][ T4993]
[ 70.394888][ T4993] register_lock_class+0x104/0x990
[ 70.400029][ T4993] ? is_dynamic_key+0x1f0/0x1f0
[ 70.404888][ T4993] lockdep_init_map_type+0x37a/0x8e0
[ 70.410177][ T4993] ? lockdep_softirqs_off+0x420/0x420
[ 70.415556][ T4993] ext4_xattr_inode_iget+0x2fa/0x5e0
[ 70.420866][ T4993] ext4_xattr_inode_get+0x164/0x430
[ 70.426090][ T4993] ? ext4_xattr_ibody_get+0x740/0x740
[ 70.431476][ T4993] ? __kmalloc_node+0xe8/0x230
[ 70.436353][ T4993] ? rcu_is_watching+0x15/0xb0
[ 70.441136][ T4993] ext4_expand_extra_isize_ea+0xf28/0x1d10
[ 70.446972][ T4993] ? ext4_xattr_set+0x3d0/0x3d0
[ 70.451830][ T4993] ? down_write_trylock+0x208/0x3a0
[ 70.457027][ T4993] ? __ext4_mark_inode_dirty+0x4a5/0x870
[ 70.462663][ T4993] ? dquot_initialize_needed+0x12c/0x320
[ 70.468307][ T4993] __ext4_expand_extra_isize+0x2f7/0x3d0
[ 70.473956][ T4993] __ext4_mark_inode_dirty+0x53e/0x870
[ 70.479426][ T4993] ? ext4_blocks_for_truncate+0x270/0x270
[ 70.485170][ T4993] ? rcu_read_lock_any_held+0xb7/0x160
[ 70.490671][ T4993] ? ext4_journal_check_start+0x179/0x240
[ 70.496408][ T4993] ? ext4_inode_is_fast_symlink+0x266/0x3a0
[ 70.502307][ T4993] ext4_evict_inode+0x839/0xf20
[ 70.507161][ T4993] ? _raw_spin_unlock+0x28/0x40
[ 70.512051][ T4993] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0
[ 70.517970][ T4993] ? do_raw_spin_unlock+0x13b/0x8b0
[ 70.523183][ T4993] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0
[ 70.529091][ T4993] evict+0x2a4/0x620
[ 70.532995][ T4993] ext4_orphan_cleanup+0xb1e/0x13c0
[ 70.538204][ T4993] ? ext4_orphan_del+0xc50/0xc50
[ 70.543142][ T4993] ? __init_swait_queue_head+0xae/0x150
[ 70.548705][ T4993] ? errseq_check_and_advance+0x64/0x120
[ 70.554358][ T4993] ext4_fill_super+0x62f7/0x6bd0
[ 70.559329][ T4993] ? ext4_parse_test_dummy_encryption+0xa0/0xa0
[ 70.565591][ T4993] ? snprintf+0xda/0x120
[ 70.569873][ T4993] ? set_blocksize+0x1e2/0x390
[ 70.574681][ T4993] ? sb_set_blocksize+0x99/0x100
[ 70.579626][ T4993] get_tree_bdev+0x405/0x620
[ 70.584223][ T4993] ? ext4_parse_test_dummy_encryption+0xa0/0xa0
[ 70.590488][ T4993] vfs_get_tree+0x8c/0x270
[ 70.594931][ T4993] do_new_mount+0x28f/0xae0
[ 70.599440][ T4993] ? path_mount+0x5f2/0xf80
[ 70.603943][ T4993] ? do_move_mount_old+0x170/0x170
[ 70.609075][ T4993] ? user_path_at_empty+0x12f/0x180
[ 70.614273][ T4993] __se_sys_mount+0x2d9/0x3c0
[ 70.619093][ T4993] ? __x64_sys_mount+0xc0/0xc0
[ 70.623887][ T4993] ? syscall_enter_from_user_mode+0x32/0x230
[ 70.629886][ T4993] ? __x64_sys_mount+0x20/0xc0
[ 70.634658][ T4993] do_syscall_64+0x41/0xc0
[ 70.639082][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 70.644975][ T4993] RIP: 0033:0x7f63b52faf0a
[ 70.649383][ T4993] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 70.668990][ T4993] RSP: 002b:00007fff577b2cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 70.677409][ T4993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63b52faf0a
[ 70.685471][ T4993] RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007fff577b2cf0
[ 70.693441][ T4993] RBP: 00007fff577b2cf0 R08: 00007fff577b2d30 R09: 0000000000000435
[ 70.701417][ T4993] R10: 0000000000800700 R11: 0000000000000206 R12: 0000000000000004
[ 70.709404][ T4993] R13: 0000555555f122c0 R14: 0000000000800700 R15: 00007fff577b2d30
[ 70.717396][ T4993]
[ 70.720501][ T4993] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 70.727806][ T4993] CPU: 1 PID: 4993 Comm: syz-executor308 Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0
[ 70.737887][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
[ 70.747941][ T4993] Call Trace:
[ 70.751230][ T4993]
[ 70.754155][ T4993] dump_stack_lvl+0x1e7/0x2d0
[ 70.758842][ T4993] ? nf_tcp_handle_invalid+0x650/0x650
[ 70.764323][ T4993] ? panic+0x770/0x770
[ 70.768408][ T4993] ? vscnprintf+0x5d/0x80
[ 70.772844][ T4993] panic+0x30f/0x770
[ 70.776750][ T4993] ? __warn+0x171/0x4a0
[ 70.780937][ T4993] ? __memcpy_flushcache+0x2b0/0x2b0
[ 70.786257][ T4993] __warn+0x314/0x4a0
[ 70.790262][ T4993] ? look_up_lock_class+0xc2/0x140
[ 70.795384][ T4993] report_bug+0x2b3/0x500
[ 70.799739][ T4993] ? look_up_lock_class+0xc2/0x140
[ 70.804883][ T4993] handle_bug+0x3d/0x70
[ 70.809061][ T4993] exc_invalid_op+0x1a/0x50
[ 70.813772][ T4993] asm_exc_invalid_op+0x1a/0x20
[ 70.818636][ T4993] RIP: 0010:look_up_lock_class+0xc2/0x140
[ 70.824371][ T4993] Code: 8b 16 48 c7 c0 60 91 1e 90 48 39 c2 74 46 f6 05 92 87 92 03 01 75 3d c6 05 89 87 92 03 01 48 c7 c7 40 af ea 8a e8 ee 29 a4 f6 <0f> 0b eb 26 e8 15 2f 81 f9 48 c7 c7 80 ae ea 8a 89 de e8 37 ca fd
[ 70.843978][ T4993] RSP: 0018:ffffc90003b7f090 EFLAGS: 00010046
[ 70.850069][ T4993] RAX: adf3f2136120b500 RBX: ffffffff9005c4e0 RCX: ffff88802d63d940
[ 70.858047][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 70.866009][ T4993] RBP: ffffc90003b7f190 R08: ffffffff81531182 R09: ffffed1017325163
[ 70.873995][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 70.881975][ T4993] R13: 1ffff9200076fe20 R14: ffff888078b36800 R15: ffffffff8d0df979
[ 70.889969][ T4993] ? __warn_printk+0x292/0x360
[ 70.894853][ T4993] register_lock_class+0x104/0x990
[ 70.899988][ T4993] ? is_dynamic_key+0x1f0/0x1f0
[ 70.904875][ T4993] lockdep_init_map_type+0x37a/0x8e0
[ 70.910167][ T4993] ? lockdep_softirqs_off+0x420/0x420
[ 70.915549][ T4993] ext4_xattr_inode_iget+0x2fa/0x5e0
[ 70.920846][ T4993] ext4_xattr_inode_get+0x164/0x430
[ 70.926151][ T4993] ? ext4_xattr_ibody_get+0x740/0x740
[ 70.931548][ T4993] ? __kmalloc_node+0xe8/0x230
[ 70.936333][ T4993] ? rcu_is_watching+0x15/0xb0
[ 70.941110][ T4993] ext4_expand_extra_isize_ea+0xf28/0x1d10
[ 70.946932][ T4993] ? ext4_xattr_set+0x3d0/0x3d0
[ 70.951782][ T4993] ? down_write_trylock+0x208/0x3a0
[ 70.956998][ T4993] ? __ext4_mark_inode_dirty+0x4a5/0x870
[ 70.962634][ T4993] ? dquot_initialize_needed+0x12c/0x320
[ 70.968284][ T4993] __ext4_expand_extra_isize+0x2f7/0x3d0
[ 70.973926][ T4993] __ext4_mark_inode_dirty+0x53e/0x870
[ 70.979396][ T4993] ? ext4_blocks_for_truncate+0x270/0x270
[ 70.985123][ T4993] ? rcu_read_lock_any_held+0xb7/0x160
[ 70.990674][ T4993] ? ext4_journal_check_start+0x179/0x240
[ 70.996403][ T4993] ? ext4_inode_is_fast_symlink+0x266/0x3a0
[ 71.002313][ T4993] ext4_evict_inode+0x839/0xf20
[ 71.007166][ T4993] ? _raw_spin_unlock+0x28/0x40
[ 71.012016][ T4993] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0
[ 71.017910][ T4993] ? do_raw_spin_unlock+0x13b/0x8b0
[ 71.023115][ T4993] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0
[ 71.029011][ T4993] evict+0x2a4/0x620
[ 71.032912][ T4993] ext4_orphan_cleanup+0xb1e/0x13c0
[ 71.038121][ T4993] ? ext4_orphan_del+0xc50/0xc50
[ 71.043060][ T4993] ? __init_swait_queue_head+0xae/0x150
[ 71.048608][ T4993] ? errseq_check_and_advance+0x64/0x120
[ 71.054244][ T4993] ext4_fill_super+0x62f7/0x6bd0
[ 71.059199][ T4993] ? ext4_parse_test_dummy_encryption+0xa0/0xa0
[ 71.065440][ T4993] ? snprintf+0xda/0x120
[ 71.069694][ T4993] ? set_blocksize+0x1e2/0x390
[ 71.074456][ T4993] ? sb_set_blocksize+0x99/0x100
[ 71.079393][ T4993] get_tree_bdev+0x405/0x620
[ 71.083981][ T4993] ? ext4_parse_test_dummy_encryption+0xa0/0xa0
[ 71.090229][ T4993] vfs_get_tree+0x8c/0x270
[ 71.094645][ T4993] do_new_mount+0x28f/0xae0
[ 71.099146][ T4993] ? path_mount+0x5f2/0xf80
[ 71.103645][ T4993] ? do_move_mount_old+0x170/0x170
[ 71.108757][ T4993] ? user_path_at_empty+0x12f/0x180
[ 71.113974][ T4993] __se_sys_mount+0x2d9/0x3c0
[ 71.118652][ T4993] ? __x64_sys_mount+0xc0/0xc0
[ 71.123416][ T4993] ? syscall_enter_from_user_mode+0x32/0x230
[ 71.129412][ T4993] ? __x64_sys_mount+0x20/0xc0
[ 71.134182][ T4993] do_syscall_64+0x41/0xc0
[ 71.138605][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 71.144504][ T4993] RIP: 0033:0x7f63b52faf0a
[ 71.148921][ T4993] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 71.168543][ T4993] RSP: 002b:00007fff577b2cd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 71.176987][ T4993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63b52faf0a
[ 71.185417][ T4993] RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007fff577b2cf0
[ 71.193432][ T4993] RBP: 00007fff577b2cf0 R08: 00007fff577b2d30 R09: 0000000000000435
[ 71.201429][ T4993] R10: 0000000000800700 R11: 0000000000000206 R12: 0000000000000004
[ 71.209415][ T4993] R13: 0000555555f122c0 R14: 0000000000800700 R15: 00007fff577b2d30
[ 71.217403][ T4993]
[ 71.220612][ T4993] Kernel Offset: disabled
[ 71.224946][ T4993] Rebooting in 86400 seconds..