[ 148.324623][ T5256] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. [ 153.766297][ T5951] loop0: detected capacity change from 0 to 32768 [ 154.006304][ T5951] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [+] mount successful. [ 154.176605][ T5951] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [+] fsetxattr successful. [ 154.386875][ T5951] [ 154.389352][ T5951] ====================================================== [ 154.396506][ T5951] WARNING: possible circular locking dependency detected [ 154.404248][ T5951] syzkaller #0 Not tainted [ 154.409042][ T5951] ------------------------------------------------------ [ 154.416656][ T5951] syz-executor413/5951 is trying to acquire lock: [ 154.423296][ T5951] ffff888028ba6800 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_setattr+0x9eb/0x1d10 [ 154.433073][ T5951] [ 154.433073][ T5951] but task is already holding lock: [ 154.441161][ T5951] ffff88804c4e6c50 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_setattr+0x9dc/0x1d10 [ 154.450875][ T5951] [ 154.450875][ T5951] which lock already depends on the new lock. [ 154.450875][ T5951] [ 154.461813][ T5951] [ 154.461813][ T5951] the existing dependency chain (in reverse order) is: [ 154.471361][ T5951] [ 154.471361][ T5951] -> #2 (&oi->ip_alloc_sem){++++}-{4:4}: [ 154.479602][ T5951] down_read+0x97/0x200 [ 154.484312][ T5951] ocfs2_xattr_ibody_find+0x135/0x8f0 [ 154.490746][ T5951] ocfs2_xattr_set_handle+0x3f2/0x7f0 [ 154.496742][ T5951] ocfs2_init_security_set+0xbd/0xe0 [ 154.502909][ T5951] ocfs2_mknod+0x13c8/0x21a0 [ 154.508322][ T5951] ocfs2_create+0x195/0x460 [ 154.513996][ T5951] lookup_open+0xc17/0x1a60 [ 154.519326][ T5951] path_openat+0x67c/0x1d60 [ 154.524733][ T5951] do_file_open+0x23e/0x4a0 [ 154.530245][ T5951] do_sys_openat2+0x115/0x200 [ 154.535689][ T5951] __x64_sys_openat+0x138/0x170 [ 154.541782][ T5951] do_syscall_64+0x166/0x520 [ 154.547520][ T5951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 154.554467][ T5951] [ 154.554467][ T5951] -> #1 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 154.564504][ T5951] down_read+0x97/0x200 [ 154.569649][ T5951] ocfs2_start_trans+0x3af/0x700 [ 154.577154][ T5951] ocfs2_mknod+0xeed/0x21a0 [ 154.582471][ T5951] ocfs2_create+0x195/0x460 [ 154.587705][ T5951] lookup_open+0xc17/0x1a60 [ 154.592841][ T5951] path_openat+0x67c/0x1d60 [ 154.598494][ T5951] do_file_open+0x23e/0x4a0 [ 154.603561][ T5951] do_sys_openat2+0x115/0x200 [ 154.609138][ T5951] __x64_sys_openat+0x138/0x170 [ 154.615126][ T5951] do_syscall_64+0x166/0x520 [ 154.621137][ T5951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 154.628207][ T5951] [ 154.628207][ T5951] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 154.636439][ T5951] __lock_acquire+0x164c/0x2de0 [ 154.642454][ T5951] lock_acquire+0x115/0x350 [ 154.647953][ T5951] ocfs2_start_trans+0x2ac/0x700 [ 154.653803][ T5951] ocfs2_setattr+0x9eb/0x1d10 [ 154.659141][ T5951] notify_change+0xbb8/0xec0 [ 154.664887][ T5951] chmod_common+0x262/0x480 [ 154.670022][ T5951] __x64_sys_fchmod+0xf5/0x160 [ 154.675345][ T5951] do_syscall_64+0x166/0x520 [ 154.680644][ T5951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 154.688130][ T5951] [ 154.688130][ T5951] other info that might help us debug this: [ 154.688130][ T5951] [ 154.700518][ T5951] Chain exists of: [ 154.700518][ T5951] sb_internal#2 --> &journal->j_trans_barrier --> &oi->ip_alloc_sem [ 154.700518][ T5951] [ 154.715981][ T5951] Possible unsafe locking scenario: [ 154.715981][ T5951] [ 154.724858][ T5951] CPU0 CPU1 [ 154.730952][ T5951] ---- ---- [ 154.736427][ T5951] lock(&oi->ip_alloc_sem); [ 154.741219][ T5951] lock(&journal->j_trans_barrier); [ 154.749601][ T5951] lock(&oi->ip_alloc_sem); [ 154.757075][ T5951] rlock(sb_internal#2); [ 154.761523][ T5951] [ 154.761523][ T5951] *** DEADLOCK *** [ 154.761523][ T5951] [ 154.770318][ T5951] locks held by syz-executor413/5951: 3, last CPU#0: [ 154.777469][ T5951] #0: ffff888028ba6510 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 154.787618][ T5951] #1: ffff88804c4e7000 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: chmod_common+0x186/0x480 [ 154.798540][ T5951] #2: ffff88804c4e6c50 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_setattr+0x9dc/0x1d10 [ 154.809311][ T5951] [ 154.809311][ T5951] stack backtrace: [ 154.815525][ T5951] CPU: 0 UID: 0 PID: 5951 Comm: syz-executor413 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 154.826221][ T5951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 154.836844][ T5951] Call Trace: [ 154.840503][ T5951] [ 154.843530][ T5951] dump_stack_lvl+0xe8/0x150 [ 154.848546][ T5951] print_circular_bug+0x2e2/0x300 [ 154.854603][ T5951] check_noncircular+0x12f/0x150 [ 154.860191][ T5951] __lock_acquire+0x164c/0x2de0 [ 154.865681][ T5951] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 154.872185][ T5951] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 154.879432][ T5951] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 154.885372][ T5951] lock_acquire+0x115/0x350 [ 154.890387][ T5951] ? ocfs2_setattr+0x9eb/0x1d10 [ 154.895570][ T5951] ocfs2_start_trans+0x2ac/0x700 [ 154.900643][ T5951] ? ocfs2_setattr+0x9eb/0x1d10 [ 154.906679][ T5951] ? __pfx_ocfs2_start_trans+0x10/0x10 [ 154.912254][ T5951] ? rwbase_write_lock+0x550/0x720 [ 154.917755][ T5951] ocfs2_setattr+0x9eb/0x1d10 [ 154.922663][ T5951] ? __pfx_ocfs2_setattr+0x10/0x10 [ 154.927809][ T5951] ? smack_inode_setattr+0x193/0x230 [ 154.933214][ T5951] ? __pfx_smack_inode_setattr+0x10/0x10 [ 154.939135][ T5951] ? current_time+0x22f/0x380 [ 154.944075][ T5951] ? evm_inode_setattr+0x1c1/0x7c0 [ 154.949674][ T5951] ? __pfx_current_time+0x10/0x10 [ 154.954837][ T5951] ? try_break_deleg+0x5b/0x190 [ 154.959989][ T5951] ? __pfx_ocfs2_setattr+0x10/0x10 [ 154.965534][ T5951] notify_change+0xbb8/0xec0 [ 154.970951][ T5951] chmod_common+0x262/0x480 [ 154.975513][ T5951] ? __pfx_chmod_common+0x10/0x10 [ 154.980609][ T5951] __x64_sys_fchmod+0xf5/0x160 [ 154.986384][ T5951] do_syscall_64+0x166/0x520 [ 154.991366][ T5951] ? trace_irq_disable+0x3b/0x140 [ 154.996722][ T5951] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.003108][ T5951] ? clear_bhb_loop+0x70/0xc0 [ 155.008076][ T5951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 155.014164][ T5951] RIP: 0033:0x7f58660bbfe7 [ 155.018730][ T5951] Code: 00 66 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 03 31 c9 31 d2 31 f6 e8 f6 07 02 00 48 83 c4 18 c3 90 b8 5b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 155.040123][ T5951] RSP: 002b:00007ffe44efe058 EFLAGS: 00000202 ORIG_RAX: 000000000000005b [ 155.049154][ T5951] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f58660bbfe7 [ 155.057510][ T5951] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000000000003 [ 155.066578][ T5951] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 155.075359][ T5951] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe44efe178 [+] fchmod successful. [+] ftruncate successful. [+] mkdir successful. [+] Done. [ 155.083962][ T5951] R13: 0000000000000002 R14: 00007f586613dc60 R1