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 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="200000000f1408002b000000080001000100"/32], 0x20}, 0x1, 0x0, 0x0, 0x4800}, 0x8001) (async) write$binfmt_script(r1, &(0x7f0000000100), 0xfecc) [ 74.752255][ T5333] Bluetooth: hci0: command tx timeout [ 74.802598][ T5354] loop0: detected capacity change from 0 to 64 [ 74.876812][ T5356] ------------[ cut here ]------------ [ 74.879567][ T5356] WARNING: CPU: 0 PID: 5356 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 74.883897][ T5356] Modules linked in: [ 74.886093][ T5356] CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.889974][ T5356] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.895383][ T5356] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 74.898251][ T5356] Code: 4c 89 f7 e8 f9 48 dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 df 4c 78 ff eb 8c e8 d8 4c 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ca 4c 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 74.906652][ T5356] RSP: 0018:ffffc9000d36f608 EFLAGS: 00010293 [ 74.909797][ T5356] RAX: ffffffff82477068 RBX: ffff888052138570 RCX: ffff88803332a440 [ 74.913476][ T5356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 74.916928][ T5356] RBP: ffff888032b9c001 R08: ffff888052138577 R09: 1ffff1100a4270ae [ 74.920434][ T5356] R10: dffffc0000000000 R11: ffffed100a4270af R12: ffff88804c8ae400 [ 74.924164][ T5356] R13: ffff8880433c2000 R14: ffff888052138570 R15: 000000000000000a [ 74.928069][ T5356] FS: 00007f0f35a2f6c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000 [ 74.932019][ T5356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.935223][ T5356] CR2: 0000200000002000 CR3: 0000000042f56000 CR4: 0000000000352ef0 [ 74.939306][ T5356] Call Trace: [ 74.940857][ T5356] [ 74.942267][ T5356] bfs_get_block+0x5da/0xae0 [ 74.944572][ T5356] __block_write_begin_int+0x6b2/0x1900 [ 74.947811][ T5356] ? __pfx_bfs_get_block+0x10/0x10 [ 74.950430][ T5356] ? __pfx___block_write_begin_int+0x10/0x10 [ 74.953067][ T5356] ? __filemap_get_folio+0x79f/0xaf0 [ 74.955418][ T5356] ? __pfx_bfs_get_block+0x10/0x10 [ 74.957757][ T5356] block_write_begin+0x8a/0x120 [ 74.960024][ T5356] ? bfs_write_begin+0x1e/0xd0 [ 74.962487][ T5356] bfs_write_begin+0x35/0xd0 [ 74.964587][ T5356] generic_perform_write+0x2c2/0x900 [ 74.967040][ T5356] ? __pfx_generic_perform_write+0x10/0x10 [ 74.969629][ T5356] ? file_update_time+0x2da/0x490 [ 74.972398][ T5356] ? __generic_file_write_iter+0xf9/0x230 [ 74.975428][ T5356] ? generic_file_write_iter+0x103/0x550 [ 74.978503][ T5356] generic_file_write_iter+0x117/0x550 [ 74.981098][ T5356] ? __pfx_generic_file_write_iter+0x10/0x10 [ 74.984091][ T5356] ? __lock_acquire+0xab9/0xd20 [ 74.986395][ T5356] ? rcu_read_lock_any_held+0xb3/0x120 [ 74.989252][ T5356] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 74.992211][ T5356] vfs_write+0x5c9/0xb30 [ 74.994340][ T5356] ? __pfx_generic_file_write_iter+0x10/0x10 [ 74.996942][ T5356] ? __pfx_vfs_write+0x10/0x10 [ 74.998840][ T5356] ? __fget_files+0x2a/0x420 [ 75.000761][ T5356] ksys_write+0x145/0x250 [ 75.002819][ T5356] ? __pfx_ksys_write+0x10/0x10 [ 75.005373][ T5356] ? do_syscall_64+0xbe/0x3b0 [ 75.007991][ T5356] do_syscall_64+0xfa/0x3b0 [ 75.010033][ T5356] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.012174][ T5356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.014833][ T5356] ? clear_bhb_loop+0x60/0xb0 [ 75.017056][ T5356] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.019680][ T5356] RIP: 0033:0x7f0f34b8ec29 [ 75.022146][ T5356] 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 [ 75.030779][ T5356] RSP: 002b:00007f0f35a2f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.034776][ T5356] RAX: ffffffffffffffda RBX: 00007f0f34dd6180 RCX: 00007f0f34b8ec29 [ 75.038404][ T5356] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005 [ 75.041806][ T5356] RBP: 00007f0f34c11e41 R08: 0000000000000000 R09: 0000000000000000 [ 75.046163][ T5356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.050347][ T5356] R13: 00007f0f34dd6218 R14: 00007f0f34dd6180 R15: 00007ffedfbf8e48 [ 75.053419][ T5356] [ 75.054760][ T5356] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.057761][ T5356] CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.061327][ T5356] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.066070][ T5356] Call Trace: [ 75.067530][ T5356] [ 75.068827][ T5356] dump_stack_lvl+0x99/0x250 [ 75.070848][ T5356] ? __asan_memcpy+0x40/0x70 [ 75.073057][ T5356] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.075752][ T5356] ? __pfx__printk+0x10/0x10 [ 75.078040][ T5356] vpanic+0x281/0x750 [ 75.079927][ T5356] ? __pfx__printk+0x10/0x10 [ 75.081885][ T5356] ? __pfx_vpanic+0x10/0x10 [ 75.083860][ T5356] ? is_bpf_text_address+0x26/0x2b0 [ 75.086204][ T5356] panic+0xb9/0xc0 [ 75.087759][ T5356] ? __pfx_panic+0x10/0x10 [ 75.089798][ T5356] __warn+0x31b/0x4b0 [ 75.091689][ T5356] ? mark_buffer_dirty+0x2a9/0x410 [ 75.094423][ T5356] ? mark_buffer_dirty+0x2a9/0x410 [ 75.096931][ T5356] report_bug+0x2be/0x4f0 [ 75.098875][ T5356] ? mark_buffer_dirty+0x2a9/0x410 [ 75.101164][ T5356] ? mark_buffer_dirty+0x2a9/0x410 [ 75.103213][ T5356] ? mark_buffer_dirty+0x2ab/0x410 [ 75.105617][ T5356] handle_bug+0x84/0x160 [ 75.107971][ T5356] exc_invalid_op+0x1a/0x50 [ 75.110760][ T5356] asm_exc_invalid_op+0x1a/0x20 [ 75.113145][ T5356] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 75.115670][ T5356] Code: 4c 89 f7 e8 f9 48 dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 df 4c 78 ff eb 8c e8 d8 4c 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 ca 4c 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 75.123678][ T5356] RSP: 0018:ffffc9000d36f608 EFLAGS: 00010293 [ 75.126412][ T5356] RAX: ffffffff82477068 RBX: ffff888052138570 RCX: ffff88803332a440 [ 75.130687][ T5356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 75.134790][ T5356] RBP: ffff888032b9c001 R08: ffff888052138577 R09: 1ffff1100a4270ae [ 75.138064][ T5356] R10: dffffc0000000000 R11: ffffed100a4270af R12: ffff88804c8ae400 [ 75.141436][ T5356] R13: ffff8880433c2000 R14: ffff888052138570 R15: 000000000000000a [ 75.144807][ T5356] ? mark_buffer_dirty+0x2a8/0x410 [ 75.147062][ T5356] ? mark_buffer_dirty+0x2a8/0x410 [ 75.150205][ T5356] bfs_get_block+0x5da/0xae0 [ 75.153246][ T5356] __block_write_begin_int+0x6b2/0x1900 [ 75.155565][ T5356] ? __pfx_bfs_get_block+0x10/0x10 [ 75.157771][ T5356] ? __pfx___block_write_begin_int+0x10/0x10 [ 75.160264][ T5356] ? __filemap_get_folio+0x79f/0xaf0 [ 75.162566][ T5356] ? __pfx_bfs_get_block+0x10/0x10 [ 75.164900][ T5356] block_write_begin+0x8a/0x120 [ 75.167581][ T5356] ? bfs_write_begin+0x1e/0xd0 [ 75.170322][ T5356] bfs_write_begin+0x35/0xd0 [ 75.172330][ T5356] generic_perform_write+0x2c2/0x900 [ 75.174684][ T5356] ? __pfx_generic_perform_write+0x10/0x10 [ 75.177248][ T5356] ? file_update_time+0x2da/0x490 [ 75.179238][ T5356] ? __generic_file_write_iter+0xf9/0x230 [ 75.181470][ T5356] ? generic_file_write_iter+0x103/0x550 [ 75.183595][ T5356] generic_file_write_iter+0x117/0x550 [ 75.185946][ T5356] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.188941][ T5356] ? __lock_acquire+0xab9/0xd20 [ 75.191381][ T5356] ? rcu_read_lock_any_held+0xb3/0x120 [ 75.193912][ T5356] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 75.196552][ T5356] vfs_write+0x5c9/0xb30 [ 75.198341][ T5356] ? __pfx_generic_file_write_iter+0x10/0x10 [ 75.201198][ T5356] ? __pfx_vfs_write+0x10/0x10 [ 75.203189][ T5356] ? __fget_files+0x2a/0x420 [ 75.205339][ T5356] ksys_write+0x145/0x250 [ 75.207571][ T5356] ? __pfx_ksys_write+0x10/0x10 [ 75.210173][ T5356] ? do_syscall_64+0xbe/0x3b0 [ 75.212610][ T5356] do_syscall_64+0xfa/0x3b0 [ 75.214971][ T5356] ? lockdep_hardirqs_on+0x9c/0x150 [ 75.216930][ T5356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.219213][ T5356] ? clear_bhb_loop+0x60/0xb0 [ 75.221176][ T5356] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.223623][ T5356] RIP: 0033:0x7f0f34b8ec29 [ 75.225740][ T5356] 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 [ 75.234222][ T5356] RSP: 002b:00007f0f35a2f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.238062][ T5356] RAX: ffffffffffffffda RBX: 00007f0f34dd6180 RCX: 00007f0f34b8ec29 [ 75.241760][ T5356] RDX: 000000000000fecc RSI: 0000200000000100 RDI: 0000000000000005 [ 75.244968][ T5356] RBP: 00007f0f34c11e41 R08: 0000000000000000 R09: 0000000000000000 [ 75.248604][ T5356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.253093][ T5356] R13: 00007f0f34dd6218 R14: 00007f0f34dd6180 R15: 00007ffedfbf8e48 [ 75.257528][ T5356] [ 75.259386][ T5356] Kernel Offset: disabled [ 75.261466][ T5356] Rebooting in 86400 seconds..