program: r0 = 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") r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) (async, rerun: 32) r2 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x441, 0x108) (rerun: 32) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000b80)={0x0, 0x18, 0xfa00, {0x0, 0x0, 0x13f, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_NOTIFY(r1, &(0x7f0000000bc0)={0xf, 0x8, 0xfa00, {0xffffffffffffffff, 0x11}}, 0x10) (async, rerun: 32) ioctl$FAT_IOCTL_SET_ATTRIBUTES(r0, 0x40047211, &(0x7f00000000c0)=0x8) (async, rerun: 32) r3 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15) pwrite64(r3, &(0x7f0000000140)='2', 0xfdef, 0xe7c) [ 74.966842][ T5338] Bluetooth: hci0: command tx timeout [ 75.028415][ T5361] loop0: detected capacity change from 0 to 64 [ 75.141809][ T5362] ------------[ cut here ]------------ [ 75.144721][ T5362] WARNING: CPU: 0 PID: 5362 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 75.149611][ T5362] Modules linked in: [ 75.151701][ T5362] CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.155940][ T5362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.160417][ T5362] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 75.162842][ T5362] Code: 4c 89 f7 e8 f9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 ff 5b 78 ff eb 8c e8 f8 5b 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ea 5b 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 75.170757][ T5362] RSP: 0018:ffffc9000d4ef608 EFLAGS: 00010293 [ 75.173466][ T5362] RAX: ffffffff824761f8 RBX: ffff8880441541d0 RCX: ffff8880006a0000 [ 75.176930][ T5362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 75.180723][ T5362] RBP: ffff888011c90001 R08: ffff8880441541d7 R09: 1ffff1100882a83a [ 75.184029][ T5362] R10: dffffc0000000000 R11: ffffed100882a83b R12: ffff88804d2ca600 [ 75.187593][ T5362] R13: ffff88804414be80 R14: ffff8880441541d0 R15: 000000000000000a [ 75.190903][ T5362] FS: 00007f42a94646c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 [ 75.194483][ T5362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.197271][ T5362] CR2: 0000200000002000 CR3: 0000000043709000 CR4: 0000000000352ef0 [ 75.200852][ T5362] Call Trace: [ 75.202544][ T5362] [ 75.204022][ T5362] bfs_get_block+0x5da/0xae0 [ 75.206596][ T5362] __block_write_begin_int+0x6b5/0x1900 [ 75.209360][ T5362] ? __pfx_bfs_get_block+0x10/0x10 [ 75.211934][ T5362] ? __pfx___block_write_begin_int+0x10/0x10 [ 75.214680][ T5362] ? __filemap_get_folio+0x79f/0xaf0 [ 75.217087][ T5362] ? __pfx_bfs_get_block+0x10/0x10 [ 75.219218][ T5362] block_write_begin+0x8a/0x120 [ 75.221226][ T5362] ? bfs_write_begin+0x1e/0xd0 [ 75.223207][ T5362] bfs_write_begin+0x35/0xd0 [ 75.225136][ T5362] generic_perform_write+0x2c5/0x900 [ 75.227443][ T5362] ? __pfx_generic_perform_write+0x10/0x10 [ 75.230191][ T5362] ? file_update_time+0x2da/0x490 [ 75.232503][ T5362] ? __generic_file_write_iter+0xf9/0x230 [ 75.234960][ T5362] ? generic_file_write_iter+0x103/0x550 [ 75.237611][ T5362] generic_file_write_iter+0x117/0x550 [ 75.240046][ T5362] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.242656][ T5362] ? __pfx___futex_wait+0x10/0x10 [ 75.244781][ T5362] ? __pfx_aa_file_perm+0x10/0x10 [ 75.247118][ T5362] ? __lock_acquire+0xab9/0xd20 [ 75.249186][ T5362] ? rcu_read_lock_any_held+0xb3/0x120 [ 75.251462][ T5362] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 75.254134][ T5362] vfs_write+0x5c9/0xb30 [ 75.256221][ T5362] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.258876][ T5362] ? __pfx_vfs_write+0x10/0x10 [ 75.260904][ T5362] ? __fget_files+0x2a/0x420 [ 75.262805][ T5362] __x64_sys_pwrite64+0x193/0x220 [ 75.264783][ T5362] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 75.267014][ T5362] ? rcu_is_watching+0x15/0xb0 [ 75.269209][ T5362] ? do_syscall_64+0xbe/0x3b0 [ 75.271249][ T5362] do_syscall_64+0xfa/0x3b0 [ 75.273149][ T5362] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.275352][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.278059][ T5362] ? clear_bhb_loop+0x60/0xb0 [ 75.279989][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.282812][ T5362] RIP: 0033:0x7f42a858ebe9 [ 75.285048][ T5362] 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 [ 75.292932][ T5362] RSP: 002b:00007f42a9464038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 75.295886][ T5362] RAX: ffffffffffffffda RBX: 00007f42a87c6090 RCX: 00007f42a858ebe9 [ 75.298940][ T5362] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000046 [ 75.302068][ T5362] RBP: 00007f42a8611e19 R08: 0000000000000000 R09: 0000000000000000 [ 75.305785][ T5362] R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000000 [ 75.309186][ T5362] R13: 00007f42a87c6128 R14: 00007f42a87c6090 R15: 00007ffde2aa89b8 [ 75.312404][ T5362] [ 75.313603][ T5362] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.315962][ T5362] CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.319158][ T5362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.323536][ T5362] Call Trace: [ 75.325017][ T5362] [ 75.326243][ T5362] dump_stack_lvl+0x99/0x250 [ 75.328325][ T5362] ? __asan_memcpy+0x40/0x70 [ 75.330235][ T5362] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.332481][ T5362] ? __pfx__printk+0x10/0x10 [ 75.334158][ T5362] vpanic+0x281/0x750 [ 75.335709][ T5362] ? __pfx__printk+0x10/0x10 [ 75.337772][ T5362] ? __pfx_vpanic+0x10/0x10 [ 75.339787][ T5362] ? is_bpf_text_address+0x26/0x2b0 [ 75.341990][ T5362] panic+0xb9/0xc0 [ 75.343459][ T5362] ? __pfx_panic+0x10/0x10 [ 75.345208][ T5362] __warn+0x31b/0x4b0 [ 75.346910][ T5362] ? mark_buffer_dirty+0x2a9/0x410 [ 75.349075][ T5362] ? mark_buffer_dirty+0x2a9/0x410 [ 75.351186][ T5362] report_bug+0x2be/0x4f0 [ 75.352983][ T5362] ? mark_buffer_dirty+0x2a9/0x410 [ 75.355138][ T5362] ? mark_buffer_dirty+0x2a9/0x410 [ 75.357320][ T5362] ? mark_buffer_dirty+0x2ab/0x410 [ 75.359430][ T5362] handle_bug+0x84/0x160 [ 75.361274][ T5362] exc_invalid_op+0x1a/0x50 [ 75.363104][ T5362] asm_exc_invalid_op+0x1a/0x20 [ 75.365219][ T5362] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 75.367745][ T5362] Code: 4c 89 f7 e8 f9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 ff 5b 78 ff eb 8c e8 f8 5b 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ea 5b 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 75.375559][ T5362] RSP: 0018:ffffc9000d4ef608 EFLAGS: 00010293 [ 75.378122][ T5362] RAX: ffffffff824761f8 RBX: ffff8880441541d0 RCX: ffff8880006a0000 [ 75.381469][ T5362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 75.384904][ T5362] RBP: ffff888011c90001 R08: ffff8880441541d7 R09: 1ffff1100882a83a [ 75.388205][ T5362] R10: dffffc0000000000 R11: ffffed100882a83b R12: ffff88804d2ca600 [ 75.391507][ T5362] R13: ffff88804414be80 R14: ffff8880441541d0 R15: 000000000000000a [ 75.394867][ T5362] ? mark_buffer_dirty+0x2a8/0x410 [ 75.396953][ T5362] ? mark_buffer_dirty+0x2a8/0x410 [ 75.399047][ T5362] bfs_get_block+0x5da/0xae0 [ 75.400916][ T5362] __block_write_begin_int+0x6b5/0x1900 [ 75.403211][ T5362] ? __pfx_bfs_get_block+0x10/0x10 [ 75.405095][ T5362] ? __pfx___block_write_begin_int+0x10/0x10 [ 75.407508][ T5362] ? __filemap_get_folio+0x79f/0xaf0 [ 75.409843][ T5362] ? __pfx_bfs_get_block+0x10/0x10 [ 75.412204][ T5362] block_write_begin+0x8a/0x120 [ 75.414881][ T5362] ? bfs_write_begin+0x1e/0xd0 [ 75.417601][ T5362] bfs_write_begin+0x35/0xd0 [ 75.420065][ T5362] generic_perform_write+0x2c5/0x900 [ 75.422898][ T5362] ? __pfx_generic_perform_write+0x10/0x10 [ 75.425914][ T5362] ? file_update_time+0x2da/0x490 [ 75.428449][ T5362] ? __generic_file_write_iter+0xf9/0x230 [ 75.430691][ T5362] ? generic_file_write_iter+0x103/0x550 [ 75.436097][ T5362] generic_file_write_iter+0x117/0x550 [ 75.438903][ T5362] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.441570][ T5362] ? __pfx___futex_wait+0x10/0x10 [ 75.444357][ T5362] ? __pfx_aa_file_perm+0x10/0x10 [ 75.446360][ T5362] ? __lock_acquire+0xab9/0xd20 [ 75.448413][ T5362] ? rcu_read_lock_any_held+0xb3/0x120 [ 75.450595][ T5362] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 75.453543][ T5362] vfs_write+0x5c9/0xb30 [ 75.455395][ T5362] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.458750][ T5362] ? __pfx_vfs_write+0x10/0x10 [ 75.461541][ T5362] ? __fget_files+0x2a/0x420 [ 75.463672][ T5362] __x64_sys_pwrite64+0x193/0x220 [ 75.465857][ T5362] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 75.468186][ T5362] ? rcu_is_watching+0x15/0xb0 [ 75.470200][ T5362] ? do_syscall_64+0xbe/0x3b0 [ 75.472226][ T5362] do_syscall_64+0xfa/0x3b0 [ 75.474018][ T5362] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.476029][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.478472][ T5362] ? clear_bhb_loop+0x60/0xb0 [ 75.480447][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.482849][ T5362] RIP: 0033:0x7f42a858ebe9 [ 75.484819][ T5362] 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 [ 75.492893][ T5362] RSP: 002b:00007f42a9464038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 75.496417][ T5362] RAX: ffffffffffffffda RBX: 00007f42a87c6090 RCX: 00007f42a858ebe9 [ 75.500097][ T5362] RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000046 [ 75.503552][ T5362] RBP: 00007f42a8611e19 R08: 0000000000000000 R09: 0000000000000000 [ 75.507100][ T5362] R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000000 [ 75.510427][ T5362] R13: 00007f42a87c6128 R14: 00007f42a87c6090 R15: 00007ffde2aa89b8 [ 75.513711][ T5362] [ 75.515420][ T5362] Kernel Offset: disabled [ 75.517403][ T5362] Rebooting in 86400 seconds..