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) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000800)=@newtaction={0x60, 0x30, 0xffff, 0x0, 0x0, {}, [{0x4c, 0x1, [@m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1b}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4800}, 0x0) (async) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000100), 0xfecc) [ 87.970448][ T5304] Bluetooth: hci0: command tx timeout [ 88.038956][ T5326] loop0: detected capacity change from 0 to 64 [ 88.163234][ T5327] ------------[ cut here ]------------ [ 88.166389][ T5327] WARNING: CPU: 0 PID: 5327 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 88.170619][ T5327] Modules linked in: [ 88.172782][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 88.177876][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.181954][ T5327] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 88.185113][ T5327] Code: 4c 89 f7 e8 69 08 dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 ff bc 75 ff eb 8c e8 f8 bc 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ea bc 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 88.194455][ T5327] RSP: 0018:ffffc9000d2df608 EFLAGS: 00010293 [ 88.197337][ T5327] RAX: ffffffff824a5658 RBX: ffff888043453e80 RCX: ffff888000794900 [ 88.200936][ T5327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 88.205057][ T5327] RBP: ffff88803951e001 R08: ffff888043453e87 R09: 1ffff1100868a7d0 [ 88.208473][ T5327] R10: dffffc0000000000 R11: ffffed100868a7d1 R12: ffff88804bb8a000 [ 88.212417][ T5327] R13: ffff8880320a5cb0 R14: ffff888043453e80 R15: 0000000000000010 [ 88.216835][ T5327] FS: 00007f8a88bbb6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000 [ 88.220704][ T5327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.223936][ T5327] CR2: 0000200000001000 CR3: 0000000042438000 CR4: 0000000000352ef0 [ 88.227444][ T5327] Call Trace: [ 88.229001][ T5327] [ 88.230456][ T5327] bfs_get_block+0x5da/0xae0 [ 88.233043][ T5327] __block_write_begin_int+0x6b5/0x1900 [ 88.235701][ T5327] ? __pfx_bfs_get_block+0x10/0x10 [ 88.237929][ T5327] ? __pfx___block_write_begin_int+0x10/0x10 [ 88.240319][ T5327] ? __filemap_get_folio+0x79f/0xaf0 [ 88.242679][ T5327] ? __pfx_bfs_get_block+0x10/0x10 [ 88.245014][ T5327] block_write_begin+0x8a/0x120 [ 88.247160][ T5327] ? bfs_write_begin+0x1e/0xd0 [ 88.249587][ T5327] bfs_write_begin+0x35/0xd0 [ 88.251641][ T5327] generic_perform_write+0x2c5/0x900 [ 88.253861][ T5327] ? __pfx_generic_perform_write+0x10/0x10 [ 88.256261][ T5327] ? file_update_time+0x2da/0x490 [ 88.258487][ T5327] ? __generic_file_write_iter+0xf9/0x230 [ 88.260870][ T5327] ? generic_file_write_iter+0x103/0x550 [ 88.263583][ T5327] generic_file_write_iter+0x117/0x550 [ 88.265848][ T5327] ? __pfx_generic_file_write_iter+0x10/0x10 [ 88.268982][ T5327] ? __lock_acquire+0xab9/0xd20 [ 88.271431][ T5327] ? rcu_read_lock_any_held+0xb3/0x120 [ 88.274461][ T5327] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 88.277145][ T5327] vfs_write+0x5c9/0xb30 [ 88.278985][ T5327] ? __pfx_generic_file_write_iter+0x10/0x10 [ 88.281672][ T5327] ? __pfx_vfs_write+0x10/0x10 [ 88.283915][ T5327] ? __fget_files+0x2a/0x420 [ 88.285951][ T5327] ksys_write+0x145/0x250 [ 88.287860][ T5327] ? __pfx_ksys_write+0x10/0x10 [ 88.290150][ T5327] ? do_syscall_64+0xbe/0xfa0 [ 88.291866][ T5327] do_syscall_64+0xfa/0xfa0 [ 88.294150][ T5327] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.296035][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.298122][ T5327] ? clear_bhb_loop+0x60/0xb0 [ 88.300100][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.303293][ T5327] RIP: 0033:0x7f8a87d8f749 [ 88.305657][ T5327] 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 [ 88.316128][ T5327] RSP: 002b:00007f8a88bbb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.320757][ T5327] RAX: ffffffffffffffda RBX: 00007f8a87fe6090 RCX: 00007f8a87d8f749 [ 88.324405][ T5327] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006 [ 88.327445][ T5327] RBP: 00007f8a87e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 88.330324][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.333569][ T5327] R13: 00007f8a87fe6128 R14: 00007f8a87fe6090 R15: 00007ffd9af8a8e8 [ 88.336385][ T5327] [ 88.337523][ T5327] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.341221][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 88.345226][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.349881][ T5327] Call Trace: [ 88.351511][ T5327] [ 88.352993][ T5327] dump_stack_lvl+0x99/0x250 [ 88.355158][ T5327] ? __asan_memcpy+0x40/0x70 [ 88.357201][ T5327] ? __pfx_dump_stack_lvl+0x10/0x10 [ 88.359517][ T5327] ? __pfx__printk+0x10/0x10 [ 88.361495][ T5327] vpanic+0x237/0x6d0 [ 88.362995][ T5327] ? __pfx_vpanic+0x10/0x10 [ 88.365050][ T5327] panic+0xb9/0xc0 [ 88.366653][ T5327] ? __pfx_panic+0x10/0x10 [ 88.368585][ T5327] __warn+0x31b/0x4b0 [ 88.370289][ T5327] ? mark_buffer_dirty+0x2a9/0x410 [ 88.372586][ T5327] ? mark_buffer_dirty+0x2a9/0x410 [ 88.374842][ T5327] report_bug+0x2be/0x4f0 [ 88.376999][ T5327] ? mark_buffer_dirty+0x2a9/0x410 [ 88.379278][ T5327] ? mark_buffer_dirty+0x2a9/0x410 [ 88.381524][ T5327] ? mark_buffer_dirty+0x2ab/0x410 [ 88.383735][ T5327] handle_bug+0x84/0x160 [ 88.385604][ T5327] exc_invalid_op+0x1a/0x50 [ 88.387680][ T5327] asm_exc_invalid_op+0x1a/0x20 [ 88.389748][ T5327] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 88.391790][ T5327] Code: 4c 89 f7 e8 69 08 dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 ff bc 75 ff eb 8c e8 f8 bc 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ea bc 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 88.398381][ T5327] RSP: 0018:ffffc9000d2df608 EFLAGS: 00010293 [ 88.400953][ T5327] RAX: ffffffff824a5658 RBX: ffff888043453e80 RCX: ffff888000794900 [ 88.404533][ T5327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 88.407899][ T5327] RBP: ffff88803951e001 R08: ffff888043453e87 R09: 1ffff1100868a7d0 [ 88.411189][ T5327] R10: dffffc0000000000 R11: ffffed100868a7d1 R12: ffff88804bb8a000 [ 88.414163][ T5327] R13: ffff8880320a5cb0 R14: ffff888043453e80 R15: 0000000000000010 [ 88.416938][ T5327] ? mark_buffer_dirty+0x2a8/0x410 [ 88.418722][ T5327] ? mark_buffer_dirty+0x2a8/0x410 [ 88.420669][ T5327] bfs_get_block+0x5da/0xae0 [ 88.422412][ T5327] __block_write_begin_int+0x6b5/0x1900 [ 88.424502][ T5327] ? __pfx_bfs_get_block+0x10/0x10 [ 88.426585][ T5327] ? __pfx___block_write_begin_int+0x10/0x10 [ 88.428928][ T5327] ? __filemap_get_folio+0x79f/0xaf0 [ 88.431008][ T5327] ? __pfx_bfs_get_block+0x10/0x10 [ 88.433650][ T5327] block_write_begin+0x8a/0x120 [ 88.435549][ T5327] ? bfs_write_begin+0x1e/0xd0 [ 88.437353][ T5327] bfs_write_begin+0x35/0xd0 [ 88.439081][ T5327] generic_perform_write+0x2c5/0x900 [ 88.441056][ T5327] ? __pfx_generic_perform_write+0x10/0x10 [ 88.443261][ T5327] ? file_update_time+0x2da/0x490 [ 88.445022][ T5327] ? __generic_file_write_iter+0xf9/0x230 [ 88.447120][ T5327] ? generic_file_write_iter+0x103/0x550 [ 88.449093][ T5327] generic_file_write_iter+0x117/0x550 [ 88.451010][ T5327] ? __pfx_generic_file_write_iter+0x10/0x10 [ 88.453214][ T5327] ? __lock_acquire+0xab9/0xd20 [ 88.454975][ T5327] ? rcu_read_lock_any_held+0xb3/0x120 [ 88.457008][ T5327] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 88.459090][ T5327] vfs_write+0x5c9/0xb30 [ 88.460599][ T5327] ? __pfx_generic_file_write_iter+0x10/0x10 [ 88.462888][ T5327] ? __pfx_vfs_write+0x10/0x10 [ 88.464674][ T5327] ? __fget_files+0x2a/0x420 [ 88.466372][ T5327] ksys_write+0x145/0x250 [ 88.467976][ T5327] ? __pfx_ksys_write+0x10/0x10 [ 88.469828][ T5327] ? do_syscall_64+0xbe/0xfa0 [ 88.471593][ T5327] do_syscall_64+0xfa/0xfa0 [ 88.473351][ T5327] ? lockdep_hardirqs_on+0x9c/0x150 [ 88.475538][ T5327] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.478064][ T5327] ? clear_bhb_loop+0x60/0xb0 [ 88.480143][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.482650][ T5327] RIP: 0033:0x7f8a87d8f749 [ 88.484589][ T5327] 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 [ 88.492760][ T5327] RSP: 002b:00007f8a88bbb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 88.496392][ T5327] RAX: ffffffffffffffda RBX: 00007f8a87fe6090 RCX: 00007f8a87d8f749 [ 88.499892][ T5327] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000006 [ 88.503791][ T5327] RBP: 00007f8a87e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 88.507548][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.510992][ T5327] R13: 00007f8a87fe6128 R14: 00007f8a87fe6090 R15: 00007ffd9af8a8e8 [ 88.514514][ T5327] [ 88.515974][ T5327] Kernel Offset: disabled [ 88.517540][ T5327] Rebooting in 86400 seconds..