DUID 00:04:7c:8f:25:e4:1e:61:d4:15:b8:1c:50:2a:7f:f5:0b:01 forked to background, child pid 3208 [ 29.769541][ T3209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.778921][ T3209] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 50.541145][ T3630] loop0: detected capacity change from 0 to 2048 [ 50.558809][ T3637] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 50.586902][ T3641] loop2: detected capacity change from 0 to 2048 [ 50.598108][ T3638] loop4: detected capacity change from 0 to 2048 [ 50.599564][ T3643] loop1: detected capacity change from 0 to 2048 [ 50.619151][ T3639] loop3: detected capacity change from 0 to 2048 [ 50.627426][ T3642] loop5: detected capacity change from 0 to 2048 [ 50.642722][ T3630] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.644757][ T3641] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.667962][ T3643] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.677756][ T27] audit: type=1804 audit(1670978210.091:2): pid=3630 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/file0/bus" dev="loop0" ino=18 res=1 errno=0 [ 50.682283][ T3638] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.719034][ T27] audit: type=1804 audit(1670978210.121:3): pid=3630 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop0" ino=18 res=1 errno=0 [ 50.739900][ T27] audit: type=1804 audit(1670978210.121:4): pid=3630 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop0" ino=18 res=1 errno=0 [ 50.760728][ T27] audit: type=1804 audit(1670978210.141:5): pid=3638 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/file0/bus" dev="loop4" ino=18 res=1 errno=0 [ 50.768861][ T3630] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.797112][ T27] audit: type=1804 audit(1670978210.141:6): pid=3638 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop4" ino=18 res=1 errno=0 [ 50.801504][ T3642] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.827117][ T3641] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.834257][ T3639] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. [ 50.856128][ T3641] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 50.870657][ T27] audit: type=1804 audit(1670978210.141:7): pid=3638 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop4" ino=18 res=1 errno=0 [ 50.899269][ T3658] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.915101][ T3641] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.915101][ T3641] [ 50.916472][ T3630] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 50.926617][ T3658] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 50.949948][ T3641] EXT4-fs (loop2): Total free blocks count 0 [ 50.950985][ T3660] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.956772][ T27] audit: type=1804 audit(1670978210.231:8): pid=3641 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/file0/bus" dev="loop2" ino=18 res=1 errno=0 [ 50.991607][ T3630] EXT4-fs (loop0): This should not happen!! Data will be lost [ 50.991607][ T3630] [ 51.003222][ T3641] EXT4-fs (loop2): Free/Dirty block details [ 51.020901][ T3639] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.022987][ T3641] EXT4-fs (loop2): free_blocks=2415919104 [ 51.043387][ T3642] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.044805][ T3643] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 51.069573][ T3658] EXT4-fs (loop4): This should not happen!! Data will be lost [ 51.069573][ T3658] [ 51.088707][ T3641] EXT4-fs (loop2): dirty_blocks=16 [ 51.091843][ T3630] EXT4-fs (loop0): Total free blocks count 0 [ 51.096336][ T3642] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 51.106218][ T3630] EXT4-fs (loop0): Free/Dirty block details [ 51.117576][ T3641] EXT4-fs (loop2): Block reservation details [ 51.119876][ T3639] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 51.140267][ T3658] EXT4-fs (loop4): Total free blocks count 0 [ 51.152491][ T3643] EXT4-fs (loop1): This should not happen!! Data will be lost [ 51.152491][ T3643] [ 51.156814][ T27] audit: type=1804 audit(1670978210.231:9): pid=3641 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop2" ino=18 res=1 errno=0 [ 51.166659][ T3630] EXT4-fs (loop0): free_blocks=2415919104 [ 51.189858][ T3641] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 51.193683][ T3639] EXT4-fs (loop3): This should not happen!! Data will be lost [ 51.193683][ T3639] [ 51.196278][ T3658] EXT4-fs (loop4): Free/Dirty block details [ 51.206398][ T3643] EXT4-fs (loop1): Total free blocks count 0 [ 51.218374][ T3639] EXT4-fs (loop3): Total free blocks count 0 [ 51.223382][ T3642] EXT4-fs (loop5): This should not happen!! Data will be lost [ 51.223382][ T3642] [ 51.233934][ T3643] EXT4-fs (loop1): Free/Dirty block details [ 51.240585][ T3630] EXT4-fs (loop0): dirty_blocks=16 [ 51.244173][ T3658] EXT4-fs (loop4): free_blocks=2415919104 executing program [ 51.248152][ T3639] EXT4-fs (loop3): Free/Dirty block details [ 51.258352][ T3643] EXT4-fs (loop1): free_blocks=2415919104 [ 51.265000][ T3630] EXT4-fs (loop0): Block reservation details [ 51.271417][ T3643] EXT4-fs (loop1): dirty_blocks=16 [ 51.275975][ T3658] EXT4-fs (loop4): dirty_blocks=16 [ 51.277631][ T3639] EXT4-fs (loop3): free_blocks=2415919104 [ 51.281727][ T3658] EXT4-fs (loop4): Block reservation details [ 51.281741][ T3658] EXT4-fs (loop4): i_reserved_data_blocks=1 executing program [ 51.286209][ T3642] EXT4-fs (loop5): Total free blocks count 0 [ 51.288758][ T3630] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 51.295472][ T3642] EXT4-fs (loop5): Free/Dirty block details [ 51.304576][ T3643] EXT4-fs (loop1): Block reservation details [ 51.313464][ T27] audit: type=1804 audit(1670978210.231:10): pid=3641 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/file0/bus" dev="loop2" ino=18 res=1 errno=0 executing program [ 51.365170][ T3643] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 51.368758][ T3639] EXT4-fs (loop3): dirty_blocks=16 [ 51.385567][ T3642] EXT4-fs (loop5): free_blocks=2415919104 [ 51.408463][ T3639] EXT4-fs (loop3): Block reservation details executing program [ 51.417623][ T3642] EXT4-fs (loop5): dirty_blocks=16 executing program executing program executing program [ 51.445733][ T3642] EXT4-fs (loop5): Block reservation details [ 51.453587][ T3639] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 51.459706][ T27] audit: type=1804 audit(1670978210.271:11): pid=3643 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/file0/bus" dev="loop1" ino=18 res=1 errno=0 [ 51.474276][ T3642] EXT4-fs (loop5): i_reserved_data_blocks=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.696970][ T27] kauditd_printk_skb: 650 callbacks suppressed [ 55.696983][ T27] audit: type=1804 audit(1670978215.111:662): pid=4017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 55.744191][ T46] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 55.757770][ T33] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 executing program executing program executing program [ 55.800843][ T33] EXT4-fs (loop0): This should not happen!! Data will be lost [ 55.800843][ T33] [ 55.821495][ T46] EXT4-fs (loop4): This should not happen!! Data will be lost [ 55.821495][ T46] [ 55.833679][ T1100] ------------[ cut here ]------------ executing program [ 55.840158][ T11] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 55.858096][ T1100] kernel BUG at fs/ext4/inode.c:2782! [ 55.866278][ T27] audit: type=1804 audit(1670978215.141:663): pid=4024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 55.869800][ T33] EXT4-fs (loop0): Total free blocks count 0 [ 55.911316][ T46] EXT4-fs (loop4): Total free blocks count 0 [ 55.922133][ T1100] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.923145][ T46] EXT4-fs (loop4): Free/Dirty block details [ 55.928225][ T1100] CPU: 1 PID: 1100 Comm: kworker/u4:5 Not tainted 6.1.0-syzkaller-03295-g02bf43c7b7f7 #0 [ 55.938410][ T46] EXT4-fs (loop4): free_blocks=2415919104 [ 55.943878][ T1100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.943889][ T1100] Workqueue: writeback wb_workfn (flush-7:1) [ 55.943935][ T1100] RIP: 0010:ext4_do_writepages+0x3c27/0x3c30 [ 55.943956][ T1100] Code: c7 50 d6 4b 8d 4c 89 fa e8 46 c9 33 02 e9 c0 fb ff ff e8 4c 7b 53 ff 0f 0b e8 45 7b 53 ff 0f 0b e8 fe 4d 5c 08 e8 39 7b 53 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 [ 55.943967][ T1100] RSP: 0018:ffffc90004ffede0 EFLAGS: 00010293 [ 55.943978][ T1100] RAX: ffffffff8237eaa7 RBX: 0000008000000000 RCX: ffff8880207dd7c0 [ 55.943989][ T1100] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 55.950872][ T33] EXT4-fs (loop0): Free/Dirty block details [ 55.959715][ T1100] RBP: ffffc90004fff150 R08: ffffffff8237b469 R09: ffffed100e7b8791 [ 55.959729][ T1100] R10: ffffed100e7b8791 R11: 1ffff1100e7b8790 R12: ffff888073dc3ee0 [ 55.959738][ T1100] R13: ffffc90004fff650 R14: 0000008410000000 R15: 0000000000000001 [ 55.959747][ T1100] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 55.959759][ T1100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.959768][ T1100] CR2: 00007f224f000000 CR3: 0000000019fee000 CR4: 00000000003506e0 [ 55.959781][ T1100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.959789][ T1100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.959798][ T1100] Call Trace: [ 55.959803][ T1100] [ 56.088991][ T1100] ? trace_lock_release+0x95/0x220 [ 56.094102][ T1100] ? find_get_pages_range_tag+0x52b/0x780 [ 56.099821][ T1100] ? __lock_acquire+0x1292/0x1f60 [ 56.104837][ T1100] ? ext4_normal_submit_inode_data_buffers+0x2b0/0x2b0 [ 56.111684][ T1100] ? rcu_read_lock_any_held+0xb1/0x130 [ 56.117132][ T1100] ? rcu_read_lock_bh_held+0xf0/0xf0 [ 56.122404][ T1100] ? mark_lock+0x9a/0x350 [ 56.126722][ T1100] ext4_writepages+0x1e0/0x290 [ 56.131478][ T1100] ? ext4_read_folio+0x140/0x140 [ 56.136425][ T1100] ? rcu_read_lock_sched_held+0x87/0x110 [ 56.142045][ T1100] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 56.148021][ T1100] ? ext4_read_folio+0x140/0x140 [ 56.152955][ T1100] do_writepages+0x3c3/0x680 [ 56.157537][ T1100] ? __writepage+0x120/0x120 [ 56.162121][ T1100] ? rcu_read_lock_sched_held+0x87/0x110 [ 56.167752][ T1100] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 56.173720][ T1100] ? do_raw_spin_unlock+0x134/0x8a0 [ 56.178909][ T1100] ? trace_writeback_single_inode_start+0xe5/0x2c0 [ 56.185397][ T1100] __writeback_single_inode+0xd1/0x670 [ 56.190843][ T1100] ? wbc_attach_and_unlock_inode+0x350/0x540 [ 56.196813][ T1100] writeback_sb_inodes+0xb3b/0x18f0 [ 56.202007][ T1100] ? queue_io+0x400/0x400 [ 56.206330][ T1100] __writeback_inodes_wb+0x125/0x420 [ 56.211604][ T1100] wb_writeback+0x440/0x7b0 [ 56.216103][ T1100] ? trace_writeback_exec+0x2c0/0x2c0 [ 56.221466][ T1100] ? _find_next_bit+0x134/0x140 [ 56.226322][ T1100] wb_workfn+0xb3f/0xef0 [ 56.230560][ T1100] ? inode_wait_for_writeback+0x2c0/0x2c0 [ 56.236275][ T1100] ? rcu_read_lock_sched_held+0x87/0x110 [ 56.241896][ T1100] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 56.247865][ T1100] ? do_raw_spin_unlock+0x134/0x8a0 [ 56.253142][ T1100] process_one_work+0x877/0xdb0 [ 56.257988][ T1100] ? worker_detach_from_pool+0x260/0x260 [ 56.263611][ T1100] ? _raw_spin_lock_irq+0xba/0xf0 [ 56.268626][ T1100] ? _raw_spin_lock_irqsave+0x100/0x100 [ 56.274162][ T1100] worker_thread+0xb14/0x1330 [ 56.278833][ T1100] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 56.284723][ T1100] kthread+0x266/0x300 [ 56.288779][ T1100] ? rcu_lock_release+0x20/0x20 [ 56.293619][ T1100] ? kthread_blkcg+0xd0/0xd0 [ 56.298197][ T1100] ret_from_fork+0x1f/0x30 [ 56.302612][ T1100] [ 56.305617][ T1100] Modules linked in: executing program executing program executing program executing program [ 56.310342][ T4034] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 56.311286][ T4033] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 56.325852][ T11] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.325852][ T11] [ 56.353726][ T46] EXT4-fs (loop4): dirty_blocks=16 [ 56.377397][ T27] audit: type=1804 audit(1670978215.191:664): pid=4017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.383618][ T46] EXT4-fs (loop4): Block reservation details [ 56.404582][ T4034] EXT4-fs (loop3): This should not happen!! Data will be lost [ 56.404582][ T4034] [ 56.408297][ T4033] EXT4-fs (loop5): This should not happen!! Data will be lost [ 56.408297][ T4033] executing program executing program executing program executing program [ 56.426221][ T4034] EXT4-fs (loop3): Total free blocks count 0 [ 56.426839][ T33] EXT4-fs (loop0): free_blocks=2415919104 [ 56.439198][ T11] EXT4-fs (loop2): Total free blocks count 0 [ 56.455114][ T4034] EXT4-fs (loop3): Free/Dirty block details [ 56.470130][ T11] EXT4-fs (loop2): Free/Dirty block details [ 56.485538][ T33] EXT4-fs (loop0): dirty_blocks=16 [ 56.486430][ T46] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 56.499952][ T4033] EXT4-fs (loop5): Total free blocks count 0 [ 56.500719][ T4034] EXT4-fs (loop3): free_blocks=2415919104 [ 56.507583][ T33] EXT4-fs (loop0): Block reservation details [ 56.521825][ T11] EXT4-fs (loop2): free_blocks=2415919104 executing program [ 56.526545][ T27] audit: type=1804 audit(1670978215.191:665): pid=4017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.543972][ T4034] EXT4-fs (loop3): dirty_blocks=16 [ 56.550057][ T4033] EXT4-fs (loop5): Free/Dirty block details [ 56.561995][ T11] EXT4-fs (loop2): dirty_blocks=16 [ 56.563792][ T4033] EXT4-fs (loop5): free_blocks=2415919104 [ 56.580167][ T11] EXT4-fs (loop2): Block reservation details executing program executing program executing program [ 56.581048][ T33] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 56.588539][ T4034] EXT4-fs (loop3): Block reservation details [ 56.607187][ T4033] EXT4-fs (loop5): dirty_blocks=16 [ 56.616481][ T11] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 56.623825][ T4033] EXT4-fs (loop5): Block reservation details executing program executing program [ 56.631122][ T27] audit: type=1804 audit(1670978215.191:666): pid=4017 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.649109][ T4034] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 56.660235][ T4033] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 56.680270][ T27] audit: type=1804 audit(1670978215.191:667): pid=4024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.706732][ T27] audit: type=1804 audit(1670978215.191:668): pid=4024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.742391][ T27] audit: type=1804 audit(1670978215.191:669): pid=4024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.763772][ T27] audit: type=1804 audit(1670978215.201:670): pid=4019 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 executing program executing program [ 56.784539][ T27] audit: type=1804 audit(1670978215.231:671): pid=4019 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=open_writers comm="syz-executor275" name="/root/bus" dev="sda1" ino=1138 res=1 errno=0 [ 56.816441][ T1100] ---[ end trace 0000000000000000 ]--- [ 56.822389][ T1100] RIP: 0010:ext4_do_writepages+0x3c27/0x3c30 executing program executing program executing program [ 56.835332][ T1100] Code: c7 50 d6 4b 8d 4c 89 fa e8 46 c9 33 02 e9 c0 fb ff ff e8 4c 7b 53 ff 0f 0b e8 45 7b 53 ff 0f 0b e8 fe 4d 5c 08 e8 39 7b 53 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00 executing program executing program executing program executing program executing program executing program [ 56.926405][ T1100] RSP: 0018:ffffc90004ffede0 EFLAGS: 00010293 [ 56.957654][ T1100] RAX: ffffffff8237eaa7 RBX: 0000008000000000 RCX: ffff8880207dd7c0 executing program executing program [ 56.992254][ T1100] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 57.023839][ T1100] RBP: ffffc90004fff150 R08: ffffffff8237b469 R09: ffffed100e7b8791 executing program [ 57.047344][ T1100] R10: ffffed100e7b8791 R11: 1ffff1100e7b8790 R12: ffff888073dc3ee0 [ 57.068312][ T1100] R13: ffffc90004fff650 R14: 0000008410000000 R15: 0000000000000001 executing program executing program executing program executing program [ 57.089643][ T1100] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.102783][ T1100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.113295][ T1100] CR2: 00007f224f0df000 CR3: 0000000021186000 CR4: 00000000003506f0 [ 57.130772][ T1100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.162234][ T1100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.183747][ T1100] Kernel panic - not syncing: Fatal exception [ 57.190004][ T1100] Kernel Offset: disabled [ 57.194337][ T1100] Rebooting in 86400 seconds..