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) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000100), 0xfecc) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0x0, r0, 0x0, 0x2, 0x0, 0xffffffffe897e0b7}) [ 144.797535][ T5337] loop0: detected capacity change from 0 to 64 [ 144.821169][ T5312] Bluetooth: hci0: command tx timeout [ 144.881405][ T5337] ------------[ cut here ]------------ [ 144.883512][ T5337] WARNING: CPU: 0 PID: 5337 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 144.887442][ T5337] Modules linked in: [ 144.889311][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 144.893514][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 144.898136][ T5337] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 144.900956][ T5337] Code: 4c 89 f7 e8 b9 0a dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 3f bf 75 ff eb 8c e8 38 bf 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 2a bf 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 144.908675][ T5337] RSP: 0018:ffffc9000d467608 EFLAGS: 00010283 [ 144.911250][ T5337] RAX: ffffffff824a5438 RBX: ffff8880431ff000 RCX: 0000000000100000 [ 144.914604][ T5337] RDX: ffffc9000edaa000 RSI: 0000000000000e7b RDI: 0000000000000e7c [ 144.917718][ T5337] RBP: ffff888036ca6001 R08: ffff8880431ff007 R09: 1ffff1100863fe00 [ 144.921142][ T5337] R10: dffffc0000000000 R11: ffffed100863fe01 R12: ffff88804c6a7400 [ 144.924142][ T5337] R13: ffff88801c09a910 R14: ffff8880431ff000 R15: 000000000000000a [ 144.927151][ T5337] FS: 00007f26a4b006c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000 [ 144.931035][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 144.933833][ T5337] CR2: 0000200000002000 CR3: 000000004351e000 CR4: 0000000000352ef0 [ 144.937206][ T5337] Call Trace: [ 144.938596][ T5337] [ 144.939842][ T5337] bfs_get_block+0x5da/0xae0 [ 144.942167][ T5337] __block_write_begin_int+0x6b5/0x1900 [ 144.944350][ T5337] ? __pfx_bfs_get_block+0x10/0x10 [ 144.946419][ T5337] ? __pfx___block_write_begin_int+0x10/0x10 [ 144.948851][ T5337] ? __filemap_get_folio+0x79f/0xaf0 [ 144.951334][ T5337] ? __pfx_bfs_get_block+0x10/0x10 [ 144.953558][ T5337] block_write_begin+0x8a/0x120 [ 144.955676][ T5337] ? bfs_write_begin+0x1e/0xd0 [ 144.957691][ T5337] bfs_write_begin+0x35/0xd0 [ 144.959769][ T5337] generic_perform_write+0x2c5/0x900 [ 144.962127][ T5337] ? __pfx_generic_perform_write+0x10/0x10 [ 144.964558][ T5337] ? file_update_time+0x2da/0x490 [ 144.966655][ T5337] ? __generic_file_write_iter+0xf9/0x230 [ 144.969143][ T5337] ? generic_file_write_iter+0x103/0x550 [ 144.971646][ T5337] generic_file_write_iter+0x117/0x550 [ 144.974044][ T5337] ? __pfx_generic_file_write_iter+0x10/0x10 [ 144.976401][ T5337] ? __lock_acquire+0xab9/0xd20 [ 144.978406][ T5337] ? rcu_read_lock_any_held+0xb3/0x120 [ 144.980613][ T5337] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 144.982968][ T5337] vfs_write+0x5c9/0xb30 [ 144.984698][ T5337] ? __pfx_generic_file_write_iter+0x10/0x10 [ 144.987069][ T5337] ? __pfx_vfs_write+0x10/0x10 [ 144.988896][ T5337] ? __fget_files+0x2a/0x420 [ 144.990911][ T5337] ksys_write+0x145/0x250 [ 144.992628][ T5337] ? __pfx_ksys_write+0x10/0x10 [ 144.994725][ T5337] ? do_syscall_64+0xbe/0xfa0 [ 144.996783][ T5337] do_syscall_64+0xfa/0xfa0 [ 144.998574][ T5337] ? lockdep_hardirqs_on+0x9c/0x150 [ 145.000897][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.003474][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 145.005502][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.008028][ T5337] RIP: 0033:0x7f26a3b8f6c9 [ 145.009914][ T5337] 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 [ 145.017050][ T5337] RSP: 002b:00007f26a4b00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 145.020089][ T5337] RAX: ffffffffffffffda RBX: 00007f26a3de5fa0 RCX: 00007f26a3b8f6c9 [ 145.022921][ T5337] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004 [ 145.026036][ T5337] RBP: 00007f26a3c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 145.029059][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 145.032254][ T5337] R13: 00007f26a3de6038 R14: 00007f26a3de5fa0 R15: 00007ffcd7ba5798 [ 145.035184][ T5337] [ 145.036382][ T5337] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 145.038730][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 145.041646][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 145.045089][ T5337] Call Trace: [ 145.046389][ T5337] [ 145.047625][ T5337] dump_stack_lvl+0x99/0x250 [ 145.049543][ T5337] ? __asan_memcpy+0x40/0x70 [ 145.051613][ T5337] ? __pfx_dump_stack_lvl+0x10/0x10 [ 145.053945][ T5337] ? __pfx__printk+0x10/0x10 [ 145.055991][ T5337] vpanic+0x237/0x6d0 [ 145.057725][ T5337] ? __pfx_vpanic+0x10/0x10 [ 145.059781][ T5337] panic+0xb9/0xc0 [ 145.061434][ T5337] ? __pfx_panic+0x10/0x10 [ 145.063253][ T5337] __warn+0x31b/0x4b0 [ 145.065017][ T5337] ? mark_buffer_dirty+0x2a9/0x410 [ 145.066818][ T5337] ? mark_buffer_dirty+0x2a9/0x410 [ 145.068969][ T5337] report_bug+0x2be/0x4f0 [ 145.070914][ T5337] ? mark_buffer_dirty+0x2a9/0x410 [ 145.073152][ T5337] ? mark_buffer_dirty+0x2a9/0x410 [ 145.075367][ T5337] ? mark_buffer_dirty+0x2ab/0x410 [ 145.077607][ T5337] handle_bug+0x84/0x160 [ 145.079518][ T5337] exc_invalid_op+0x1a/0x50 [ 145.081578][ T5337] asm_exc_invalid_op+0x1a/0x20 [ 145.083672][ T5337] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 145.085970][ T5337] Code: 4c 89 f7 e8 b9 0a dd ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 14 ea fb ff e8 3f bf 75 ff eb 8c e8 38 bf 75 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 2a bf 75 ff 90 0f 0b 90 e9 bf fd ff ff [ 145.093356][ T5337] RSP: 0018:ffffc9000d467608 EFLAGS: 00010283 [ 145.095456][ T5337] RAX: ffffffff824a5438 RBX: ffff8880431ff000 RCX: 0000000000100000 [ 145.098458][ T5337] RDX: ffffc9000edaa000 RSI: 0000000000000e7b RDI: 0000000000000e7c [ 145.101528][ T5337] RBP: ffff888036ca6001 R08: ffff8880431ff007 R09: 1ffff1100863fe00 [ 145.104240][ T5337] R10: dffffc0000000000 R11: ffffed100863fe01 R12: ffff88804c6a7400 [ 145.107441][ T5337] R13: ffff88801c09a910 R14: ffff8880431ff000 R15: 000000000000000a [ 145.110273][ T5337] ? mark_buffer_dirty+0x2a8/0x410 [ 145.112108][ T5337] ? mark_buffer_dirty+0x2a8/0x410 [ 145.113964][ T5337] bfs_get_block+0x5da/0xae0 [ 145.115698][ T5337] __block_write_begin_int+0x6b5/0x1900 [ 145.117930][ T5337] ? __pfx_bfs_get_block+0x10/0x10 [ 145.120038][ T5337] ? __pfx___block_write_begin_int+0x10/0x10 [ 145.122312][ T5337] ? __filemap_get_folio+0x79f/0xaf0 [ 145.124100][ T5337] ? __pfx_bfs_get_block+0x10/0x10 [ 145.125968][ T5337] block_write_begin+0x8a/0x120 [ 145.127978][ T5337] ? bfs_write_begin+0x1e/0xd0 [ 145.129813][ T5337] bfs_write_begin+0x35/0xd0 [ 145.131559][ T5337] generic_perform_write+0x2c5/0x900 [ 145.133489][ T5337] ? __pfx_generic_perform_write+0x10/0x10 [ 145.135680][ T5337] ? file_update_time+0x2da/0x490 [ 145.137488][ T5337] ? __generic_file_write_iter+0xf9/0x230 [ 145.139471][ T5337] ? generic_file_write_iter+0x103/0x550 [ 145.141452][ T5337] generic_file_write_iter+0x117/0x550 [ 145.143339][ T5337] ? __pfx_generic_file_write_iter+0x10/0x10 [ 145.145498][ T5337] ? __lock_acquire+0xab9/0xd20 [ 145.147250][ T5337] ? rcu_read_lock_any_held+0xb3/0x120 [ 145.149606][ T5337] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 145.152179][ T5337] vfs_write+0x5c9/0xb30 [ 145.153892][ T5337] ? __pfx_generic_file_write_iter+0x10/0x10 [ 145.156236][ T5337] ? __pfx_vfs_write+0x10/0x10 [ 145.158231][ T5337] ? __fget_files+0x2a/0x420 [ 145.160163][ T5337] ksys_write+0x145/0x250 [ 145.162245][ T5337] ? __pfx_ksys_write+0x10/0x10 [ 145.164445][ T5337] ? do_syscall_64+0xbe/0xfa0 [ 145.166805][ T5337] do_syscall_64+0xfa/0xfa0 [ 145.168788][ T5337] ? lockdep_hardirqs_on+0x9c/0x150 [ 145.170949][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.173364][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 145.175395][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.177761][ T5337] RIP: 0033:0x7f26a3b8f6c9 [ 145.179603][ T5337] 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 [ 145.187268][ T5337] RSP: 002b:00007f26a4b00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 145.190024][ T5337] RAX: ffffffffffffffda RBX: 00007f26a3de5fa0 RCX: 00007f26a3b8f6c9 [ 145.193019][ T5337] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 0000000000000004 [ 145.196343][ T5337] RBP: 00007f26a3c11f91 R08: 0000000000000000 R09: 0000000000000000 [ 145.199128][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 145.202509][ T5337] R13: 00007f26a3de6038 R14: 00007f26a3de5fa0 R15: 00007ffcd7ba5798 [ 145.205969][ T5337] [ 145.207720][ T5337] Kernel Offset: disabled [ 145.209662][ T5337] Rebooting in 86400 seconds..