Warning: Permanently added '10.128.0.206' (ED25519) to the list of known hosts.
executing program
[ 60.668216][ T4167] loop0: detected capacity change from 0 to 64
executing program
[ 60.802603][ T26] audit: type=1800 audit(1750667311.800:2): pid=4171 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor193" name="bus" dev="sda1" ino=2026 res=0 errno=0
executing program
[ 61.090232][ T4175] loop0: detected capacity change from 0 to 64
executing program
executing program
[ 61.204598][ T4178] loop0: detected capacity change from 0 to 64
[ 61.248637][ T26] audit: type=1800 audit(1750667312.250:3): pid=4181 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor193" name="bus" dev="sda1" ino=2026 res=0 errno=0
executing program
[ 61.487073][ T4184] loop0: detected capacity change from 0 to 64
[ 61.557725][ T4184] ------------[ cut here ]------------
[ 61.563510][ T4184] WARNING: CPU: 1 PID: 4184 at fs/buffer.c:1084 mark_buffer_dirty+0x318/0x490
[ 61.572762][ T4184] Modules linked in:
[ 61.576801][ T4184] CPU: 1 PID: 4184 Comm: syz-executor193 Not tainted 5.15.185-syzkaller #0
[ 61.585764][ T4184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 61.596021][ T4184] RIP: 0010:mark_buffer_dirty+0x318/0x490
[ 61.601807][ T4184] Code: 89 f7 e8 6b 80 e6 ff 49 8b 3e be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 f4 d0 fc ff e8 3f 08 a1 ff eb 80 e8 38 08 a1 ff <0f> 0b e9 33 fd ff ff e8 2c 08 a1 ff 0f 0b e9 55 fd ff ff e8 20 08
[ 61.622299][ T4184] RSP: 0018:ffffc90002e5f7c8 EFLAGS: 00010293
[ 61.628511][ T4184] RAX: ffffffff81d6b9e8 RBX: ffff88806e865ae0 RCX: ffff888017de8000
[ 61.636548][ T4184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 61.644591][ T4184] RBP: ffff8880778e8018 R08: dffffc0000000000 R09: ffffed100e3d4900
[ 61.652634][ T4184] R10: 0000000000000000 R11: 0000000000000040 R12: ffff88807b2d7200
[ 61.660625][ T4184] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1100dd0cb5c
[ 61.668754][ T4184] FS: 00007f9245dad6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 61.677770][ T4184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.684409][ T4184] CR2: 00007f7a8ea1c000 CR3: 0000000076501000 CR4: 00000000003506e0
[ 61.692446][ T4184] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.700424][ T4184] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.708457][ T4184] Call Trace:
[ 61.711760][ T4184]
[ 61.714755][ T4184] bfs_get_block+0x814/0xa60
[ 61.719387][ T4184] __block_write_begin_int+0x54e/0x15a0
[ 61.725012][ T4184] ? bfs_bmap+0x30/0x30
[ 61.729191][ T4184] ? page_zero_new_buffers+0x490/0x490
[ 61.734734][ T4184] ? wait_for_stable_page+0xd9/0x110
[ 61.740044][ T4184] ? bfs_bmap+0x30/0x30
[ 61.744271][ T4184] block_write_begin+0x4d/0xc0
[ 61.749063][ T4184] bfs_write_begin+0x37/0xd0
[ 61.753709][ T4184] generic_perform_write+0x2aa/0x530
[ 61.759022][ T4184] ? atime_needs_update+0x780/0x780
[ 61.764289][ T4184] ? grab_cache_page_write_begin+0xa0/0xa0
[ 61.770123][ T4184] ? file_remove_privs+0x590/0x590
[ 61.775298][ T4184] ? read_lock_is_recursive+0x10/0x10
[ 61.780704][ T4184] ? preempt_count_add+0x8d/0x190
[ 61.785804][ T4184] ? rwsem_write_trylock+0x12f/0x1b0
[ 61.791110][ T4184] ? clear_nonspinnable+0x60/0x60
[ 61.796194][ T4184] __generic_file_write_iter+0x25f/0x4e0
[ 61.801856][ T4184] generic_file_write_iter+0xa6/0x1b0
[ 61.807385][ T4184] vfs_write+0x712/0xd00
[ 61.811651][ T4184] ? file_end_write+0x250/0x250
[ 61.816654][ T4184] ? __fget_files+0x40f/0x480
[ 61.821373][ T4184] ? mutex_lock_nested+0x17/0x20
[ 61.826414][ T4184] ? __fdget_pos+0x2bf/0x370
[ 61.831035][ T4184] ? ksys_write+0x71/0x250
[ 61.835525][ T4184] ksys_write+0x14d/0x250
[ 61.839879][ T4184] ? __ia32_sys_read+0x80/0x80
[ 61.844722][ T4184] ? lockdep_hardirqs_on+0x94/0x140
[ 61.849947][ T4184] do_syscall_64+0x4c/0xa0
[ 61.854421][ T4184] ? clear_bhb_loop+0x30/0x80
[ 61.859131][ T4184] ? clear_bhb_loop+0x30/0x80
[ 61.863866][ T4184] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 61.869786][ T4184] RIP: 0033:0x7f9245df0c59
[ 61.874370][ T4184] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48
[ 61.894067][ T4184] RSP: 002b:00007f9245dad218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.902539][ T4184] RAX: ffffffffffffffda RBX: 00007f9245e786c8 RCX: 00007f9245df0c59
[ 61.910545][ T4184] RDX: 000000000208e24b RSI: 0000200000000440 RDI: 0000000000000004
[ 61.918575][ T4184] RBP: 00007f9245e786c0 R08: 0000000000000000 R09: 0000000000000000
[ 61.926597][ T4184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9245e450c0
[ 61.934688][ T4184] R13: 0000200000000080 R14: 0031656c69662f2e R15: 0000200000001440
[ 61.942723][ T4184]
[ 61.945755][ T4184] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 61.953163][ T4184] CPU: 1 PID: 4184 Comm: syz-executor193 Not tainted 5.15.185-syzkaller #0
[ 61.961747][ T4184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 61.971802][ T4184] Call Trace:
[ 61.975081][ T4184]
[ 61.978007][ T4184] dump_stack_lvl+0x168/0x230
[ 61.982685][ T4184] ? show_regs_print_info+0x20/0x20
[ 61.987880][ T4184] ? load_image+0x3b0/0x3b0
[ 61.992401][ T4184] panic+0x2c9/0x7f0
[ 61.996302][ T4184] ? bpf_jit_dump+0xd0/0xd0
[ 62.000818][ T4184] ? mark_buffer_dirty+0x318/0x490
[ 62.005933][ T4184] __warn+0x248/0x2b0
[ 62.009917][ T4184] ? mark_buffer_dirty+0x318/0x490
[ 62.015040][ T4184] report_bug+0x1b7/0x2e0
[ 62.019375][ T4184] handle_bug+0x3a/0x70
[ 62.023532][ T4184] exc_invalid_op+0x16/0x40
[ 62.028040][ T4184] asm_exc_invalid_op+0x16/0x20
[ 62.032886][ T4184] RIP: 0010:mark_buffer_dirty+0x318/0x490
[ 62.038607][ T4184] Code: 89 f7 e8 6b 80 e6 ff 49 8b 3e be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 f4 d0 fc ff e8 3f 08 a1 ff eb 80 e8 38 08 a1 ff <0f> 0b e9 33 fd ff ff e8 2c 08 a1 ff 0f 0b e9 55 fd ff ff e8 20 08
[ 62.058215][ T4184] RSP: 0018:ffffc90002e5f7c8 EFLAGS: 00010293
[ 62.064286][ T4184] RAX: ffffffff81d6b9e8 RBX: ffff88806e865ae0 RCX: ffff888017de8000
[ 62.072263][ T4184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 62.080234][ T4184] RBP: ffff8880778e8018 R08: dffffc0000000000 R09: ffffed100e3d4900
[ 62.088294][ T4184] R10: 0000000000000000 R11: 0000000000000040 R12: ffff88807b2d7200
[ 62.096274][ T4184] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1100dd0cb5c
[ 62.104255][ T4184] ? mark_buffer_dirty+0x318/0x490
[ 62.109375][ T4184] ? mark_buffer_dirty+0x318/0x490
[ 62.114488][ T4184] bfs_get_block+0x814/0xa60
[ 62.119090][ T4184] __block_write_begin_int+0x54e/0x15a0
[ 62.124648][ T4184] ? bfs_bmap+0x30/0x30
[ 62.128802][ T4184] ? page_zero_new_buffers+0x490/0x490
[ 62.134265][ T4184] ? wait_for_stable_page+0xd9/0x110
[ 62.139550][ T4184] ? bfs_bmap+0x30/0x30
[ 62.143702][ T4184] block_write_begin+0x4d/0xc0
[ 62.148467][ T4184] bfs_write_begin+0x37/0xd0
[ 62.153057][ T4184] generic_perform_write+0x2aa/0x530
[ 62.158349][ T4184] ? atime_needs_update+0x780/0x780
[ 62.163580][ T4184] ? grab_cache_page_write_begin+0xa0/0xa0
[ 62.169491][ T4184] ? file_remove_privs+0x590/0x590
[ 62.174598][ T4184] ? read_lock_is_recursive+0x10/0x10
[ 62.179970][ T4184] ? preempt_count_add+0x8d/0x190
[ 62.184995][ T4184] ? rwsem_write_trylock+0x12f/0x1b0
[ 62.190285][ T4184] ? clear_nonspinnable+0x60/0x60
[ 62.195322][ T4184] __generic_file_write_iter+0x25f/0x4e0
[ 62.200964][ T4184] generic_file_write_iter+0xa6/0x1b0
[ 62.206343][ T4184] vfs_write+0x712/0xd00
[ 62.210602][ T4184] ? file_end_write+0x250/0x250
[ 62.215458][ T4184] ? __fget_files+0x40f/0x480
[ 62.220137][ T4184] ? mutex_lock_nested+0x17/0x20
[ 62.225070][ T4184] ? __fdget_pos+0x2bf/0x370
[ 62.229656][ T4184] ? ksys_write+0x71/0x250
[ 62.234085][ T4184] ksys_write+0x14d/0x250
[ 62.238439][ T4184] ? __ia32_sys_read+0x80/0x80
[ 62.243204][ T4184] ? lockdep_hardirqs_on+0x94/0x140
[ 62.248409][ T4184] do_syscall_64+0x4c/0xa0
[ 62.252826][ T4184] ? clear_bhb_loop+0x30/0x80
[ 62.257501][ T4184] ? clear_bhb_loop+0x30/0x80
[ 62.262181][ T4184] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 62.268082][ T4184] RIP: 0033:0x7f9245df0c59
[ 62.272525][ T4184] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48
[ 62.292128][ T4184] RSP: 002b:00007f9245dad218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.300545][ T4184] RAX: ffffffffffffffda RBX: 00007f9245e786c8 RCX: 00007f9245df0c59
[ 62.308519][ T4184] RDX: 000000000208e24b RSI: 0000200000000440 RDI: 0000000000000004
[ 62.316491][ T4184] RBP: 00007f9245e786c0 R08: 0000000000000000 R09: 0000000000000000
[ 62.324465][ T4184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9245e450c0
[ 62.332434][ T4184] R13: 0000200000000080 R14: 0031656c69662f2e R15: 0000200000001440
[ 62.340429][ T4184]
[ 62.343744][ T4184] Kernel Offset: disabled
[ 62.348158][ T4184] Rebooting in 86400 seconds..