program: syz_read_part_table(0x5e8, &(0x7f0000006180)="$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") r0 = open(&(0x7f0000000200)='./bus\x00', 0x14507e, 0x0) (async) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x4f) connect$inet(r1, &(0x7f0000000040)={0x2, 0x4e23, @empty}, 0x10) r2 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r2, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x4f) connect$inet(r2, &(0x7f0000000040)={0x2, 0x4e23, @empty}, 0x10) ioctl$BTRFS_IOC_QUOTA_RESCAN(r0, 0x4040942c, &(0x7f0000000180)={0x0, 0x6, [0x3, 0x9, 0x7fffffffffffffff, 0x40, 0x2, 0x49e]}) (async) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) (async, rerun: 32) r3 = open(&(0x7f0000000200)='./bus\x00', 0x402000, 0x0) (rerun: 32) ioctl$BLKROSET(r3, 0x125d, &(0x7f0000000080)=0x3f) io_setup(0x1, &(0x7f00000004c0)=0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x101042, 0x0) (async) fsetxattr$trusted_overlay_opaque(r0, &(0x7f00000001c0), &(0x7f0000000240), 0x2, 0x2) io_submit(r4, 0x1, &(0x7f0000000200)=[&(0x7f0000000280)={0xffffff7f00000000, 0x0, 0x0, 0x1, 0xfffd, r5, 0x0, 0x0, 0x400a00}]) r6 = openat$comedi(0xffffff9c, &(0x7f0000000040)='/dev/comedi3\x00', 0x2000, 0x0) ioctl$COMEDI_DEVCONFIG(r6, 0x40946400, &(0x7f0000000080)={'c6xdigio\x00', [0x9, 0x10, 0x2, 0xa, 0x5, 0x0, 0xfffffffc, 0x2, 0xffd, 0x7ffe, 0x3, 0x8, 0x10001, 0x2, 0x13, 0x100, 0xffffffa7, 0x9, 0x34d, 0x10, 0x3ff, 0x9, 0x0, 0xe2df, 0xaa14, 0x1, 0x7, 0xfffffffd, 0x7, 0xf58, 0x6]}) r7 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) setsockopt$bt_l2cap_L2CAP_CONNINFO(r7, 0x6, 0x2, 0x0, 0x0) (async) ioctl$COMEDI_INSN(r6, 0x8028640c, &(0x7f0000000000)={0x4000000, 0x0, 0x0, 0x0, 0x80000000}) [ 85.521306][ T5343] loop0: detected capacity change from 0 to 2048 [ 85.566619][ T5343] loop0: p1 < > p3 p4 < > [ 85.572360][ T5343] loop0: p3 start 4284289 is beyond EOD, truncated [ 85.611683][ T5345] comedi comedi3: c6xdigio: I/O port conflict (0x9,3) [ 85.636572][ T5345] ------------[ cut here ]------------ [ 85.639084][ T5345] Unexpected driver unregister! [ 85.641148][ T5345] WARNING: drivers/base/driver.c:273 at 0x0, CPU#0: syz.0.0/5345 [ 85.645137][ T5345] Modules linked in: [ 85.646865][ T5345] CPU: 0 UID: 0 PID: 5345 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.650501][ T5345] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.656172][ T5345] RIP: 0010:driver_unregister+0x8d/0xa0 [ 85.658865][ T5345] Code: 73 68 4c 89 f7 e8 53 46 9b fc 48 89 df 5b 41 5e 41 5f e9 e6 55 ff ff e8 31 42 f7 fb eb 05 e8 2a 42 f7 fb 48 8d 3d 83 1e c2 09 <67> 48 0f b9 3a 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc 90 90 90 [ 85.669092][ T5345] RSP: 0018:ffffc9000d4b7a20 EFLAGS: 00010293 [ 85.671676][ T5345] RAX: ffffffff85c9b466 RBX: ffffffff8f1c8800 RCX: ffff888000434980 [ 85.675541][ T5345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f8bd2f0 [ 85.678872][ T5345] RBP: 0000000000000001 R08: ffff88803e0a212f R09: 1ffff11007c14425 [ 85.681889][ T5345] R10: dffffc0000000000 R11: ffffffff88b93d90 R12: ffff88803e0a2038 [ 85.684739][ T5345] R13: ffffffff8f1c8750 R14: 0000000000000000 R15: dffffc0000000000 [ 85.688134][ T5345] FS: 00007f6b41c976c0(0000) GS:ffff88808d6ba000(0000) knlGS:0000000000000000 [ 85.691661][ T5345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.694677][ T5345] CR2: 0000563d413b0000 CR3: 000000003057e000 CR4: 0000000000352ef0 [ 85.698138][ T5345] Call Trace: [ 85.699625][ T5345] [ 85.700956][ T5345] comedi_device_detach_locked+0x178/0x750 [ 85.703087][ T5345] comedi_device_attach+0x5d4/0x720 [ 85.705574][ T5345] comedi_unlocked_ioctl+0x5ff/0x1020 [ 85.708011][ T5345] ? kasan_quarantine_put+0xdd/0x220 [ 85.710215][ T5345] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.712702][ T5345] ? __might_fault+0xb0/0x130 [ 85.714880][ T5345] ? __fget_files+0x2a/0x420 [ 85.716724][ T5345] ? __fget_files+0x3a0/0x420 [ 85.718657][ T5345] ? __fget_files+0x2a/0x420 [ 85.720587][ T5345] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.722590][ T5345] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.725171][ T5345] __se_sys_ioctl+0xfc/0x170 [ 85.727245][ T5345] do_syscall_64+0xfa/0xf80 [ 85.729303][ T5345] ? lockdep_hardirqs_on+0x98/0x140 [ 85.731574][ T5345] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.734302][ T5345] ? clear_bhb_loop+0x60/0xb0 [ 85.736301][ T5345] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.738839][ T5345] RIP: 0033:0x7f6b40d8f7c9 [ 85.740730][ T5345] 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 [ 85.749069][ T5345] RSP: 002b:00007f6b41c97038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.752680][ T5345] RAX: ffffffffffffffda RBX: 00007f6b40fe6180 RCX: 00007f6b40d8f7c9 [ 85.756240][ T5345] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000006 [ 85.759416][ T5345] RBP: 00007f6b40e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.762743][ T5345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.766105][ T5345] R13: 00007f6b40fe6218 R14: 00007f6b40fe6180 R15: 00007ffcdb87b988 [ 85.770042][ T5345] [ 85.771539][ T5345] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 85.774378][ T5345] CPU: 0 UID: 0 PID: 5345 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.778116][ T5345] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.782595][ T5345] Call Trace: [ 85.784089][ T5345] [ 85.785413][ T5345] dump_stack_lvl+0x99/0x250 [ 85.787503][ T5345] ? __asan_memcpy+0x40/0x70 [ 85.789573][ T5345] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.791807][ T5345] ? __pfx__printk+0x10/0x10 [ 85.793921][ T5345] vpanic+0x237/0x6d0 [ 85.795544][ T5345] ? __pfx_vpanic+0x10/0x10 [ 85.797388][ T5345] ? is_bpf_text_address+0x292/0x2b0 [ 85.799494][ T5345] ? is_bpf_text_address+0x26/0x2b0 [ 85.801718][ T5345] panic+0xb9/0xc0 [ 85.803293][ T5345] ? __pfx_panic+0x10/0x10 [ 85.805206][ T5345] __warn+0x317/0x4b0 [ 85.806924][ T5345] __report_bug+0x288/0x500 [ 85.809084][ T5345] ? check_path+0x21/0x40 [ 85.811504][ T5345] ? __pfx___report_bug+0x10/0x10 [ 85.814435][ T5345] ? lockdep_unlock+0x89/0x120 [ 85.816997][ T5345] ? __pfx_dev_printk_emit+0x10/0x10 [ 85.819438][ T5345] report_bug_entry+0x16a/0x220 [ 85.821524][ T5345] ? driver_unregister+0x8d/0xa0 [ 85.823606][ T5345] ? driver_unregister+0x92/0xa0 [ 85.825606][ T5345] handle_bug+0xca/0x200 [ 85.827487][ T5345] exc_invalid_op+0x1a/0x50 [ 85.829527][ T5345] asm_exc_invalid_op+0x1a/0x20 [ 85.831624][ T5345] RIP: 0010:driver_unregister+0x8d/0xa0 [ 85.834057][ T5345] Code: 73 68 4c 89 f7 e8 53 46 9b fc 48 89 df 5b 41 5e 41 5f e9 e6 55 ff ff e8 31 42 f7 fb eb 05 e8 2a 42 f7 fb 48 8d 3d 83 1e c2 09 <67> 48 0f b9 3a 5b 41 5e 41 5f c3 cc cc cc cc cc cc cc cc 90 90 90 [ 85.841857][ T5345] RSP: 0018:ffffc9000d4b7a20 EFLAGS: 00010293 [ 85.844518][ T5345] RAX: ffffffff85c9b466 RBX: ffffffff8f1c8800 RCX: ffff888000434980 [ 85.847792][ T5345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f8bd2f0 [ 85.851017][ T5345] RBP: 0000000000000001 R08: ffff88803e0a212f R09: 1ffff11007c14425 [ 85.853864][ T5345] R10: dffffc0000000000 R11: ffffffff88b93d90 R12: ffff88803e0a2038 [ 85.856938][ T5345] R13: ffffffff8f1c8750 R14: 0000000000000000 R15: dffffc0000000000 [ 85.860681][ T5345] ? __pfx_c6xdigio_detach+0x10/0x10 [ 85.862991][ T5345] ? driver_unregister+0x86/0xa0 [ 85.865308][ T5345] comedi_device_detach_locked+0x178/0x750 [ 85.867839][ T5345] comedi_device_attach+0x5d4/0x720 [ 85.869979][ T5345] comedi_unlocked_ioctl+0x5ff/0x1020 [ 85.872349][ T5345] ? kasan_quarantine_put+0xdd/0x220 [ 85.874543][ T5345] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.876745][ T5345] ? __might_fault+0xb0/0x130 [ 85.878718][ T5345] ? __fget_files+0x2a/0x420 [ 85.880477][ T5345] ? __fget_files+0x3a0/0x420 [ 85.882261][ T5345] ? __fget_files+0x2a/0x420 [ 85.884016][ T5345] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.886023][ T5345] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 85.888451][ T5345] __se_sys_ioctl+0xfc/0x170 [ 85.890294][ T5345] do_syscall_64+0xfa/0xf80 [ 85.892119][ T5345] ? lockdep_hardirqs_on+0x98/0x140 [ 85.894170][ T5345] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.896736][ T5345] ? clear_bhb_loop+0x60/0xb0 [ 85.898759][ T5345] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.901244][ T5345] RIP: 0033:0x7f6b40d8f7c9 [ 85.903527][ T5345] 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 [ 85.911528][ T5345] RSP: 002b:00007f6b41c97038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.915149][ T5345] RAX: ffffffffffffffda RBX: 00007f6b40fe6180 RCX: 00007f6b40d8f7c9 [ 85.918629][ T5345] RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000006 [ 85.922073][ T5345] RBP: 00007f6b40e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.926187][ T5345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.929918][ T5345] R13: 00007f6b40fe6218 R14: 00007f6b40fe6180 R15: 00007ffcdb87b988 [ 85.934035][ T5345] [ 85.936119][ T5345] Kernel Offset: disabled [ 85.938409][ T5345] Rebooting in 86400 seconds..