program: syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000100)=ANY=[@ANYRES64=0x0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL") r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000008c0), 0xfecc) (async) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000300)=@bpf_lsm={0x3, 0x3, &(0x7f0000000040)=@framed={{0x66, 0xa, 0x0, 0x0, 0x0, 0x61, 0x11, 0x89}}, &(0x7f0000000000)='GPL\x00'}, 0x90) (async) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000100), 0xfecc) [ 68.612713][ T5308] Bluetooth: hci0: command tx timeout [ 68.675953][ T5332] loop0: detected capacity change from 0 to 64 [ 68.739473][ T5334] ------------[ cut here ]------------ [ 68.742451][ T5334] WARNING: CPU: 0 PID: 5334 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 68.746467][ T5334] Modules linked in: [ 68.748713][ T5334] CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 68.753147][ T5334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.757287][ T5334] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 68.759661][ T5334] Code: 4c 89 f7 e8 b9 0f dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 e9 fb ff e8 0f e3 75 ff eb 8c e8 08 e3 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa e2 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 68.767948][ T5334] RSP: 0018:ffffc9000d48f608 EFLAGS: 00010293 [ 68.770590][ T5334] RAX: ffffffff8248abf8 RBX: ffff888043311e80 RCX: ffff8880003aa480 [ 68.774106][ T5334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 68.777548][ T5334] RBP: ffff8880334ee001 R08: ffff888043311e87 R09: 1ffff110086623d0 [ 68.781002][ T5334] R10: dffffc0000000000 R11: ffffed10086623d1 R12: ffff88804c0f2400 [ 68.784516][ T5334] R13: ffff88804330eae0 R14: ffff888043311e80 R15: 000000000000000a [ 68.787894][ T5334] FS: 00007f7798d586c0(0000) GS:ffff88808d97e000(0000) knlGS:0000000000000000 [ 68.791807][ T5334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.794649][ T5334] CR2: 0000200000002000 CR3: 000000003df41000 CR4: 0000000000352ef0 [ 68.798029][ T5334] Call Trace: [ 68.799540][ T5334] [ 68.800852][ T5334] bfs_get_block+0x5da/0xae0 [ 68.802988][ T5334] __block_write_begin_int+0x6b5/0x1900 [ 68.805398][ T5334] ? __pfx_bfs_get_block+0x10/0x10 [ 68.807598][ T5334] ? __pfx___block_write_begin_int+0x10/0x10 [ 68.810543][ T5334] ? __filemap_get_folio+0x79f/0xaf0 [ 68.813162][ T5334] ? __pfx_bfs_get_block+0x10/0x10 [ 68.815374][ T5334] block_write_begin+0x8a/0x120 [ 68.817459][ T5334] ? bfs_write_begin+0x1e/0xd0 [ 68.819586][ T5334] bfs_write_begin+0x35/0xd0 [ 68.821748][ T5334] generic_perform_write+0x2c2/0x900 [ 68.824106][ T5334] ? __pfx_generic_perform_write+0x10/0x10 [ 68.826598][ T5334] ? file_update_time+0x2da/0x490 [ 68.828812][ T5334] ? __generic_file_write_iter+0xf9/0x230 [ 68.831207][ T5334] ? generic_file_write_iter+0x103/0x550 [ 68.833789][ T5334] generic_file_write_iter+0x117/0x550 [ 68.836134][ T5334] ? __pfx_generic_file_write_iter+0x10/0x10 [ 68.838723][ T5334] ? __lock_acquire+0xab9/0xd20 [ 68.840800][ T5334] ? rcu_read_lock_any_held+0xb3/0x120 [ 68.843327][ T5334] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 68.845870][ T5334] vfs_write+0x5c6/0xb30 [ 68.847687][ T5334] ? __pfx_generic_file_write_iter+0x10/0x10 [ 68.850292][ T5334] ? __pfx_vfs_write+0x10/0x10 [ 68.852515][ T5334] ? __fget_files+0x2a/0x420 [ 68.854538][ T5334] ksys_write+0x145/0x250 [ 68.856441][ T5334] ? __pfx_ksys_write+0x10/0x10 [ 68.858488][ T5334] ? rcu_is_watching+0x15/0xb0 [ 68.860684][ T5334] ? do_syscall_64+0xbe/0x3b0 [ 68.862862][ T5334] do_syscall_64+0xfa/0x3b0 [ 68.864828][ T5334] ? lockdep_hardirqs_on+0x9c/0x150 [ 68.867107][ T5334] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.869720][ T5334] ? clear_bhb_loop+0x60/0xb0 [ 68.871863][ T5334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.874329][ T5334] RIP: 0033:0x7f7797f8eec9 [ 68.876247][ T5334] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 68.884449][ T5334] RSP: 002b:00007f7798d58038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.888106][ T5334] RAX: ffffffffffffffda RBX: 00007f77981e6180 RCX: 00007f7797f8eec9 [ 68.891569][ T5334] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005 [ 68.894924][ T5334] RBP: 00007f7798011f91 R08: 0000000000000000 R09: 0000000000000000 [ 68.899766][ T5334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.904845][ T5334] R13: 00007f77981e6218 R14: 00007f77981e6180 R15: 00007ffeb04a7df8 [ 68.908178][ T5334] [ 68.909504][ T5334] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.916246][ T5334] CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 68.920133][ T5334] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.924624][ T5334] Call Trace: [ 68.926015][ T5334] [ 68.927320][ T5334] dump_stack_lvl+0x99/0x250 [ 68.929345][ T5334] ? __asan_memcpy+0x40/0x70 [ 68.931323][ T5334] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.933663][ T5334] ? __pfx__printk+0x10/0x10 [ 68.935708][ T5334] vpanic+0x237/0x6d0 [ 68.937474][ T5334] ? __pfx_vpanic+0x10/0x10 [ 68.939565][ T5334] panic+0xb9/0xc0 [ 68.941224][ T5334] ? __pfx_panic+0x10/0x10 [ 68.943135][ T5334] __warn+0x31b/0x4b0 [ 68.944877][ T5334] ? mark_buffer_dirty+0x2a9/0x410 [ 68.947119][ T5334] ? mark_buffer_dirty+0x2a9/0x410 [ 68.949468][ T5334] report_bug+0x2be/0x4f0 [ 68.951454][ T5334] ? mark_buffer_dirty+0x2a9/0x410 [ 68.953793][ T5334] ? mark_buffer_dirty+0x2a9/0x410 [ 68.956048][ T5334] ? mark_buffer_dirty+0x2ab/0x410 [ 68.958400][ T5334] handle_bug+0x84/0x160 [ 68.960385][ T5334] exc_invalid_op+0x1a/0x50 [ 68.962439][ T5334] asm_exc_invalid_op+0x1a/0x20 [ 68.964637][ T5334] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 68.967234][ T5334] Code: 4c 89 f7 e8 b9 0f dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 e9 fb ff e8 0f e3 75 ff eb 8c e8 08 e3 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa e2 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 68.975517][ T5334] RSP: 0018:ffffc9000d48f608 EFLAGS: 00010293 [ 68.978168][ T5334] RAX: ffffffff8248abf8 RBX: ffff888043311e80 RCX: ffff8880003aa480 [ 68.981586][ T5334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 68.984951][ T5334] RBP: ffff8880334ee001 R08: ffff888043311e87 R09: 1ffff110086623d0 [ 68.988247][ T5334] R10: dffffc0000000000 R11: ffffed10086623d1 R12: ffff88804c0f2400 [ 68.991533][ T5334] R13: ffff88804330eae0 R14: ffff888043311e80 R15: 000000000000000a [ 68.995018][ T5334] ? mark_buffer_dirty+0x2a8/0x410 [ 68.997308][ T5334] ? mark_buffer_dirty+0x2a8/0x410 [ 68.999333][ T5334] bfs_get_block+0x5da/0xae0 [ 69.001194][ T5334] __block_write_begin_int+0x6b5/0x1900 [ 69.003374][ T5334] ? __pfx_bfs_get_block+0x10/0x10 [ 69.005424][ T5334] ? __pfx___block_write_begin_int+0x10/0x10 [ 69.007988][ T5334] ? __filemap_get_folio+0x79f/0xaf0 [ 69.010236][ T5334] ? __pfx_bfs_get_block+0x10/0x10 [ 69.012429][ T5334] block_write_begin+0x8a/0x120 [ 69.014531][ T5334] ? bfs_write_begin+0x1e/0xd0 [ 69.016628][ T5334] bfs_write_begin+0x35/0xd0 [ 69.018621][ T5334] generic_perform_write+0x2c2/0x900 [ 69.020936][ T5334] ? __pfx_generic_perform_write+0x10/0x10 [ 69.023447][ T5334] ? file_update_time+0x2da/0x490 [ 69.025638][ T5334] ? __generic_file_write_iter+0xf9/0x230 [ 69.027996][ T5334] ? generic_file_write_iter+0x103/0x550 [ 69.030485][ T5334] generic_file_write_iter+0x117/0x550 [ 69.032792][ T5334] ? __pfx_generic_file_write_iter+0x10/0x10 [ 69.035266][ T5334] ? __lock_acquire+0xab9/0xd20 [ 69.037298][ T5334] ? rcu_read_lock_any_held+0xb3/0x120 [ 69.039651][ T5334] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 69.042175][ T5334] vfs_write+0x5c6/0xb30 [ 69.043995][ T5334] ? __pfx_generic_file_write_iter+0x10/0x10 [ 69.046531][ T5334] ? __pfx_vfs_write+0x10/0x10 [ 69.048596][ T5334] ? __fget_files+0x2a/0x420 [ 69.050550][ T5334] ksys_write+0x145/0x250 [ 69.052429][ T5334] ? __pfx_ksys_write+0x10/0x10 [ 69.054493][ T5334] ? rcu_is_watching+0x15/0xb0 [ 69.056522][ T5334] ? do_syscall_64+0xbe/0x3b0 [ 69.058498][ T5334] do_syscall_64+0xfa/0x3b0 [ 69.060464][ T5334] ? lockdep_hardirqs_on+0x9c/0x150 [ 69.062697][ T5334] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.065356][ T5334] ? clear_bhb_loop+0x60/0xb0 [ 69.067373][ T5334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.069880][ T5334] RIP: 0033:0x7f7797f8eec9 [ 69.071784][ T5334] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 69.079689][ T5334] RSP: 002b:00007f7798d58038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.083138][ T5334] RAX: ffffffffffffffda RBX: 00007f77981e6180 RCX: 00007f7797f8eec9 [ 69.086462][ T5334] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005 [ 69.089686][ T5334] RBP: 00007f7798011f91 R08: 0000000000000000 R09: 0000000000000000 [ 69.092964][ T5334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 69.096298][ T5334] R13: 00007f77981e6218 R14: 00007f77981e6180 R15: 00007ffeb04a7df8 [ 69.099737][ T5334] [ 69.101395][ T5334] Kernel Offset: disabled [ 69.103268][ T5334] Rebooting in 86400 seconds..