Warning: Permanently added '10.128.0.9' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 24.711395][ T28] audit: type=1400 audit(1691697654.836:66): avc: denied { execmem } for pid=291 comm="syz-executor201" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.731254][ T28] audit: type=1400 audit(1691697654.856:67): avc: denied { read write } for pid=292 comm="syz-executor201" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 24.778177][ T303] loop1: detected capacity change from 0 to 2048 [ 24.790370][ T302] loop2: detected capacity change from 0 to 2048 [ 24.791073][ T310] loop4: detected capacity change from 0 to 2048 [ 24.801056][ T305] loop0: detected capacity change from 0 to 2048 [ 24.804877][ T28] audit: type=1400 audit(1691697654.866:68): avc: denied { open } for pid=294 comm="syz-executor201" path="/dev/loop2" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 24.824133][ T309] loop3: detected capacity change from 0 to 2048 [ 24.841116][ T28] audit: type=1400 audit(1691697654.866:69): avc: denied { ioctl } for pid=294 comm="syz-executor201" path="/dev/loop2" dev="devtmpfs" ino=116 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 24.868526][ T311] loop5: detected capacity change from 0 to 2048 [ 24.870390][ T28] audit: type=1400 audit(1691697654.926:70): avc: denied { mounton } for pid=300 comm="syz-executor201" path="/root/bus" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.898613][ T303] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 24.900799][ T310] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 24.907225][ T28] audit: type=1400 audit(1691697655.046:71): avc: denied { mount } for pid=300 comm="syz-executor201" name="/" dev="loop1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.922717][ T302] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 24.937449][ T28] audit: type=1400 audit(1691697655.076:72): avc: denied { write } for pid=308 comm="syz-executor201" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.955749][ T305] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 24.975807][ T28] audit: type=1400 audit(1691697655.106:73): avc: denied { add_name } for pid=308 comm="syz-executor201" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.997354][ T28] audit: type=1400 audit(1691697655.106:74): avc: denied { create } for pid=308 comm="syz-executor201" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 25.000507][ T309] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 25.018579][ T311] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 25.026519][ T28] audit: type=1400 audit(1691697655.106:75): avc: denied { read write open } for pid=308 comm="syz-executor201" path="/root/bus/bus" dev="loop4" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 25.046115][ T303] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 25.072422][ T303] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.084740][ T303] EXT4-fs (loop1): This should not happen!! Data will be lost [ 25.084740][ T303] [ 25.094469][ T303] EXT4-fs (loop1): Total free blocks count 0 [ 25.099215][ T310] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1098: group 0, [ 25.100411][ T303] EXT4-fs (loop1): Free/Dirty block details [ 25.100427][ T303] EXT4-fs (loop1): free_blocks=2415919104 [ 25.100441][ T303] EXT4-fs (loop1): dirty_blocks=16 [ 25.100453][ T303] EXT4-fs (loop1): Block reservation details [ 25.100463][ T303] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 25.111426][ T303] syz-executor201 (303) used greatest stack depth: 21568 bytes left [ 25.114411][ T310] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 25.125970][ T330] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters executing program [ 25.159761][ T305] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 25.177878][ T334] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 25.185327][ T333] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1098: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 25.202530][ T310] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.212250][ T302] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.224454][ T309] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.246742][ T302] EXT4-fs (loop2): This should not happen!! Data will be lost [ 25.246742][ T302] [ 25.248317][ T310] EXT4-fs (loop4): This should not happen!! Data will be lost [ 25.248317][ T310] [ 25.261681][ T302] EXT4-fs (loop2): Total free blocks count 0 executing program executing program [ 25.273118][ T311] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.274074][ T302] EXT4-fs (loop2): Free/Dirty block details [ 25.288235][ T305] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 25.301890][ T302] EXT4-fs (loop2): free_blocks=2415919104 [ 25.303539][ T309] EXT4-fs (loop3): This should not happen!! Data will be lost [ 25.303539][ T309] [ 25.313188][ T302] EXT4-fs (loop2): dirty_blocks=16 [ 25.324637][ T302] EXT4-fs (loop2): Block reservation details [ 25.326645][ T311] EXT4-fs (loop5): This should not happen!! Data will be lost [ 25.326645][ T311] [ 25.336177][ T302] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 25.342761][ T310] EXT4-fs (loop4): Total free blocks count 0 [ 25.354306][ T305] EXT4-fs (loop0): This should not happen!! Data will be lost [ 25.354306][ T305] [ 25.355567][ T309] EXT4-fs (loop3): Total free blocks count 0 [ 25.364303][ T311] EXT4-fs (loop5): Total free blocks count 0 executing program executing program [ 25.375251][ T309] EXT4-fs (loop3): Free/Dirty block details [ 25.384384][ T309] EXT4-fs (loop3): free_blocks=2415919104 [ 25.393582][ T309] EXT4-fs (loop3): dirty_blocks=16 [ 25.398494][ T305] EXT4-fs (loop0): Total free blocks count 0 [ 25.404239][ T309] EXT4-fs (loop3): Block reservation details [ 25.405668][ T310] EXT4-fs (loop4): Free/Dirty block details [ 25.411725][ T309] EXT4-fs (loop3): i_reserved_data_blocks=1 executing program executing program [ 25.427171][ T311] EXT4-fs (loop5): Free/Dirty block details [ 25.433078][ T305] EXT4-fs (loop0): Free/Dirty block details [ 25.434317][ T311] EXT4-fs (loop5): free_blocks=2415919104 [ 25.450728][ T311] EXT4-fs (loop5): dirty_blocks=16 [ 25.462137][ T311] EXT4-fs (loop5): Block reservation details [ 25.465404][ T310] EXT4-fs (loop4): free_blocks=2415919104 [ 25.469491][ T311] EXT4-fs (loop5): i_reserved_data_blocks=1 executing program executing program [ 25.476069][ T305] EXT4-fs (loop0): free_blocks=2415919104 executing program executing program executing program executing program [ 25.543700][ T310] EXT4-fs (loop4): dirty_blocks=16 [ 25.552204][ T305] EXT4-fs (loop0): dirty_blocks=16 [ 25.568870][ T310] EXT4-fs (loop4): Block reservation details [ 25.578445][ T305] EXT4-fs (loop0): Block reservation details executing program executing program executing program executing program executing program executing program executing program [ 25.605223][ T310] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 25.623166][ T305] EXT4-fs (loop0): 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 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 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 executing program executing program executing program [ 30.023735][ T312] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 30.052547][ T312] EXT4-fs (loop1): This should not happen!! Data will be lost [ 30.052547][ T312] executing program executing program [ 30.089132][ T312] EXT4-fs (loop1): Total free blocks count 0 [ 30.103278][ T8] ------------[ cut here ]------------ [ 30.103545][ T43] ------------[ cut here ]------------ [ 30.108641][ T8] kernel BUG at fs/ext4/inode.c:2747! [ 30.113898][ T43] kernel BUG at fs/ext4/inode.c:2747! [ 30.118585][ T312] EXT4-fs (loop1): Free/Dirty block details [ 30.130628][ T10] ------------[ cut here ]------------ [ 30.136030][ T10] kernel BUG at fs/ext4/inode.c:2747! [ 30.141536][ T10] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 30.147436][ T10] CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 6.1.25-syzkaller-00003-gb0c06048a8ff #0 [ 30.156974][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 30.166983][ T10] Workqueue: writeback wb_workfn (flush-7:3) [ 30.172792][ T10] RIP: 0010:ext4_writepages+0x3f95/0x3fb0 [ 30.178346][ T10] Code: 15 82 ff 31 ff 89 de e8 b9 15 82 ff 45 84 f6 75 27 e8 1f 13 82 ff 49 be 00 00 00 00 00 fc ff df e9 8e f6 ff ff e8 0b 13 82 ff <0f> 0b e8 04 13 82 ff e8 4b a4 0d ff eb a0 e8 f8 12 82 ff e8 3f a4 [ 30.197940][ T10] RSP: 0018:ffffc900000a6f60 EFLAGS: 00010293 [ 30.203926][ T10] RAX: ffffffff81f2db85 RBX: 0000008000000000 RCX: ffff88810037e540 [ 30.211738][ T10] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 30.219551][ T10] RBP: ffffc900000a7370 R08: ffffffff81f2a2a5 R09: ffffed10200aba0d [ 30.227452][ T10] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 30.235251][ T10] R13: ffffc900000a7750 R14: 0000008410000000 R15: 0000000050000021 [ 30.243061][ T10] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.251953][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.258733][ T10] CR2: 00007ffd2b18b7c0 CR3: 0000000120956000 CR4: 00000000003506b0 [ 30.266632][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.274538][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.282617][ T10] Call Trace: [ 30.285773][ T10] [ 30.288518][ T10] ? pagevec_lookup_range_tag+0x3c/0x80 [ 30.293898][ T10] ? generic_writepages+0x160/0x160 [ 30.299192][ T10] ? tag_pages_for_writeback+0x580/0x580 [ 30.304673][ T10] ? ext4_read_folio+0x240/0x240 [ 30.309547][ T10] ? sched_clock_cpu+0x2b0/0x2b0 [ 30.314312][ T10] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 30.319955][ T10] ? __stack_depot_save+0x419/0x480 [ 30.324993][ T10] ? blk_finish_plug+0x4c/0x80 [ 30.329588][ T10] ? __kasan_check_write+0x14/0x20 [ 30.334523][ T10] ? __filemap_get_folio+0x7f4/0x970 [ 30.339657][ T10] ? ext4_read_folio+0x240/0x240 [ 30.344440][ T10] do_writepages+0x385/0x620 [ 30.348848][ T10] ? __writepage+0x130/0x130 [ 30.353302][ T10] ? __kasan_check_write+0x14/0x20 [ 30.358220][ T10] ? __kasan_check_write+0x14/0x20 [ 30.363547][ T10] ? __wake_up+0x1c0/0x1c0 [ 30.367853][ T10] ? __kasan_check_write+0x14/0x20 [ 30.372889][ T10] __writeback_single_inode+0xdc/0xb80 [ 30.378487][ T10] writeback_sb_inodes+0xb33/0x18f0 [ 30.383537][ T10] ? queue_io+0x520/0x520 [ 30.387780][ T10] ? _raw_spin_unlock+0x4c/0x70 [ 30.392600][ T10] ? __writeback_inodes_wb+0x3f0/0x3f0 [ 30.397988][ T10] __writeback_inodes_wb+0x118/0x3f0 [ 30.403222][ T10] ? queue_io+0x3d0/0x520 [ 30.407462][ T10] wb_writeback+0x3cd/0x9f0 [ 30.412178][ T10] ? inode_cgwb_move_to_attached+0x3c0/0x3c0 [ 30.418006][ T10] ? __kasan_check_write+0x14/0x20 [ 30.422942][ T10] wb_workfn+0xbba/0x1030 [ 30.427109][ T10] ? inode_wait_for_writeback+0x280/0x280 [ 30.432666][ T10] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 30.437958][ T10] ? __bitmap_weight+0xb9/0x110 [ 30.442728][ T10] ? __kasan_check_write+0x14/0x20 [ 30.447842][ T10] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 30.452713][ T10] ? __kasan_check_read+0x11/0x20 [ 30.457690][ T10] ? read_word_at_a_time+0x12/0x20 [ 30.462604][ T10] ? strscpy+0x9c/0x260 [ 30.466607][ T10] process_one_work+0x73d/0xcb0 [ 30.471288][ T10] worker_thread+0xa60/0x1260 [ 30.475803][ T10] kthread+0x26d/0x300 [ 30.479702][ T10] ? worker_clr_flags+0x1a0/0x1a0 [ 30.484685][ T10] ? kthread_blkcg+0xd0/0xd0 [ 30.489509][ T10] ret_from_fork+0x1f/0x30 [ 30.493958][ T10] [ 30.496877][ T10] Modules linked in: [ 30.500714][ T8] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 30.506537][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G D 6.1.25-syzkaller-00003-gb0c06048a8ff #0 [ 30.517459][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 30.527355][ T8] Workqueue: writeback wb_workfn (flush-7:5) [ 30.533164][ T8] RIP: 0010:ext4_writepages+0x3f95/0x3fb0 [ 30.538886][ T8] Code: 15 82 ff 31 ff 89 de e8 b9 15 82 ff 45 84 f6 75 27 e8 1f 13 82 ff 49 be 00 00 00 00 00 fc ff df e9 8e f6 ff ff e8 0b 13 82 ff <0f> 0b e8 04 13 82 ff e8 4b a4 0d ff eb a0 e8 f8 12 82 ff e8 3f a4 [ 30.558588][ T8] RSP: 0018:ffffc90000086f60 EFLAGS: 00010293 [ 30.564826][ T8] RAX: ffffffff81f2db85 RBX: 0000008000000000 RCX: ffff88810037bcc0 [ 30.572642][ T8] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 30.580621][ T8] RBP: ffffc90000087370 R08: ffffffff81f2a2a5 R09: ffffed10200ab00b [ 30.588703][ T8] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 30.596717][ T8] R13: ffffc90000087750 R14: 0000008410000000 R15: 0000000050000021 [ 30.604734][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 30.613589][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.620003][ T8] CR2: 0000000020004400 CR3: 0000000120a2f000 CR4: 00000000003506a0 [ 30.627912][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.635800][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.643744][ T8] Call Trace: [ 30.646938][ T8] [ 30.649723][ T8] ? pagevec_lookup_range_tag+0x3c/0x80 [ 30.655208][ T8] ? generic_writepages+0x160/0x160 [ 30.660296][ T8] ? tag_pages_for_writeback+0x580/0x580 [ 30.665767][ T8] ? arch_stack_walk+0x10d/0x140 [ 30.670540][ T8] ? ext4_read_folio+0x240/0x240 [ 30.675315][ T8] ? stack_trace_save+0x113/0x1c0 [ 30.680194][ T8] ? blk_finish_plug+0x4c/0x80 [ 30.684785][ T8] ? __kasan_check_write+0x14/0x20 [ 30.689724][ T8] ? ext4_read_folio+0x240/0x240 [ 30.694581][ T8] do_writepages+0x385/0x620 [ 30.699233][ T8] ? __writepage+0x130/0x130 [ 30.703654][ T8] ? __kasan_check_write+0x14/0x20 [ 30.708818][ T8] ? __kasan_check_write+0x14/0x20 [ 30.714021][ T8] ? __wake_up+0x1c0/0x1c0 [ 30.718625][ T8] ? __kasan_check_write+0x14/0x20 [ 30.723674][ T8] __writeback_single_inode+0xdc/0xb80 [ 30.728959][ T8] writeback_sb_inodes+0xb33/0x18f0 [ 30.734007][ T8] ? queue_io+0x520/0x520 [ 30.738157][ T8] ? _raw_spin_unlock+0x4c/0x70 [ 30.742846][ T8] ? __writeback_inodes_wb+0x3f0/0x3f0 [ 30.748241][ T8] __writeback_inodes_wb+0x118/0x3f0 [ 30.753356][ T8] ? queue_io+0x3d0/0x520 [ 30.758312][ T8] wb_writeback+0x3cd/0x9f0 [ 30.762740][ T8] ? inode_cgwb_move_to_attached+0x3c0/0x3c0 [ 30.768806][ T8] ? __kasan_check_write+0x14/0x20 [ 30.773759][ T8] wb_workfn+0xbba/0x1030 [ 30.777919][ T8] ? inode_wait_for_writeback+0x280/0x280 [ 30.783467][ T8] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 30.789394][ T8] ? cpu_curr_snapshot+0x90/0x90 [ 30.794129][ T8] ? __kasan_check_read+0x11/0x20 [ 30.798976][ T8] ? read_word_at_a_time+0x12/0x20 [ 30.803920][ T8] ? strscpy+0x9c/0x260 [ 30.807926][ T8] process_one_work+0x73d/0xcb0 [ 30.812613][ T8] worker_thread+0xa60/0x1260 [ 30.817138][ T8] kthread+0x26d/0x300 [ 30.821176][ T8] ? worker_clr_flags+0x1a0/0x1a0 [ 30.825993][ T8] ? kthread_blkcg+0xd0/0xd0 [ 30.830429][ T8] ret_from_fork+0x1f/0x30 [ 30.834686][ T8] [ 30.837560][ T8] Modules linked in: executing program executing program [ 30.841346][ T43] invalid opcode: 0000 [#3] PREEMPT SMP KASAN [ 30.847191][ T43] CPU: 0 PID: 43 Comm: kworker/u4:2 Tainted: G D 6.1.25-syzkaller-00003-gb0c06048a8ff #0 [ 30.858204][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 30.868098][ T43] Workqueue: writeback wb_workfn (flush-7:2) [ 30.873921][ T43] RIP: 0010:ext4_writepages+0x3f95/0x3fb0 [ 30.879647][ T43] Code: 15 82 ff 31 ff 89 de e8 b9 15 82 ff 45 84 f6 75 27 e8 1f 13 82 ff 49 be 00 00 00 00 00 fc ff df e9 8e f6 ff ff e8 0b 13 82 ff <0f> 0b e8 04 13 82 ff e8 4b a4 0d ff eb a0 e8 f8 12 82 ff e8 3f a4 [ 30.899313][ T43] RSP: 0018:ffffc900002cef60 EFLAGS: 00010293 [ 30.905235][ T43] RAX: ffffffff81f2db85 RBX: 0000008000000000 RCX: ffff888100398000 [ 30.913034][ T43] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 30.915184][ T312] EXT4-fs (loop1): free_blocks=2415919104 [ 30.920830][ T43] RBP: ffffc900002cf370 R08: ffffffff81f2a2a5 R09: ffffed10200ab0c2 [ 30.920848][ T43] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 executing program [ 30.942115][ T43] R13: ffffc900002cf750 R14: 0000008410000000 R15: 0000000050000021 [ 30.949129][ T312] EXT4-fs (loop1): dirty_blocks=16 [ 30.949910][ T43] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.963821][ T43] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.970223][ T43] CR2: 00007ffd2b115104 CR3: 0000000120941000 CR4: 00000000003506b0 [ 30.971675][ T312] EXT4-fs (loop1): Block reservation details [ 30.978224][ T43] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 executing program [ 30.978242][ T43] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.978256][ T43] Call Trace: [ 30.978262][ T43] [ 30.978274][ T43] ? pagevec_lookup_range_tag+0x3c/0x80 [ 30.978305][ T43] ? generic_writepages+0x160/0x160 [ 31.009455][ T312] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 31.011620][ T43] ? tag_pages_for_writeback+0x580/0x580 [ 31.027946][ T43] ? ext4_read_folio+0x240/0x240 [ 31.032716][ T43] ? cpu_curr_snapshot+0x90/0x90 [ 31.037754][ T43] ? blk_finish_plug+0x4c/0x80 [ 31.042356][ T43] ? __kasan_check_write+0x14/0x20 [ 31.047578][ T43] ? ext4_read_folio+0x240/0x240 [ 31.052378][ T43] do_writepages+0x385/0x620 [ 31.056797][ T43] ? __writepage+0x130/0x130 [ 31.061217][ T43] ? __kasan_check_write+0x14/0x20 [ 31.066327][ T43] ? __kasan_check_write+0x14/0x20 [ 31.071301][ T43] ? __wake_up+0x1c0/0x1c0 [ 31.075531][ T43] ? __kasan_check_write+0x14/0x20 [ 31.080486][ T43] __writeback_single_inode+0xdc/0xb80 [ 31.085974][ T43] writeback_sb_inodes+0xb33/0x18f0 [ 31.091251][ T43] ? queue_io+0x520/0x520 [ 31.095384][ T43] ? _raw_spin_unlock+0x4c/0x70 [ 31.100159][ T43] ? __writeback_inodes_wb+0x3f0/0x3f0 [ 31.105449][ T43] __writeback_inodes_wb+0x118/0x3f0 [ 31.110579][ T43] ? queue_io+0x3d0/0x520 [ 31.114827][ T43] wb_writeback+0x3cd/0x9f0 [ 31.119165][ T43] ? inode_cgwb_move_to_attached+0x3c0/0x3c0 [ 31.125238][ T43] ? __kasan_check_write+0x14/0x20 [ 31.130274][ T43] wb_workfn+0xbba/0x1030 [ 31.134453][ T43] ? inode_wait_for_writeback+0x280/0x280 [ 31.139997][ T43] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 31.145813][ T43] ? cpu_curr_snapshot+0x90/0x90 [ 31.150592][ T43] ? __kasan_check_read+0x11/0x20 [ 31.155446][ T43] ? read_word_at_a_time+0x12/0x20 [ 31.160392][ T43] ? strscpy+0x9c/0x260 [ 31.164394][ T43] process_one_work+0x73d/0xcb0 [ 31.169112][ T43] worker_thread+0xa60/0x1260 [ 31.173772][ T43] kthread+0x26d/0x300 [ 31.177791][ T43] ? worker_clr_flags+0x1a0/0x1a0 [ 31.182694][ T43] ? kthread_blkcg+0xd0/0xd0 [ 31.187121][ T43] ret_from_fork+0x1f/0x30 [ 31.191408][ T43] executing program executing program executing program [ 31.194240][ T43] Modules linked in: 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 [ 31.696449][ T10] ---[ end trace 0000000000000000 ]--- [ 31.722499][ T10] RIP: 0010:ext4_writepages+0x3f95/0x3fb0 executing program executing program executing program executing program executing program executing program [ 31.753247][ T10] Code: 15 82 ff 31 ff 89 de e8 b9 15 82 ff 45 84 f6 75 27 e8 1f 13 82 ff 49 be 00 00 00 00 00 fc ff df e9 8e f6 ff ff e8 0b 13 82 ff <0f> 0b e8 04 13 82 ff e8 4b a4 0d ff eb a0 e8 f8 12 82 ff e8 3f a4 executing program executing program executing program executing program executing program executing program [ 31.827937][ T10] RSP: 0018:ffffc900000a6f60 EFLAGS: 00010293 [ 31.850305][ T10] RAX: ffffffff81f2db85 RBX: 0000008000000000 RCX: ffff88810037e540 executing program executing program executing program executing program executing program executing program [ 31.880834][ T10] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 31.912548][ T10] RBP: ffffc900000a7370 R08: ffffffff81f2a2a5 R09: ffffed10200aba0d executing program executing program executing program executing program executing program executing program [ 31.943698][ T10] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 31.973012][ T10] R13: ffffc900000a7750 R14: 0000008410000000 R15: 0000000050000021 executing program executing program executing program executing program executing program executing program [ 32.003979][ T10] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 32.035838][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program executing program executing program executing program executing program [ 32.061899][ T10] CR2: 00007ffd2b115104 CR3: 0000000120941000 CR4: 00000000003506b0 [ 32.092474][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 executing program executing program [ 32.107654][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.131588][ T10] Kernel panic - not syncing: Fatal exception [ 32.137759][ T10] Kernel Offset: disabled [ 32.141894][ T10] Rebooting in 86400 seconds..