program: timer_create(0x1, &(0x7f0000007cc0)={0x0, 0x9, 0x1, @thr={0x0, 0x0}}, &(0x7f0000007d00)=0x0) (async) clock_gettime(0x0, &(0x7f0000007d40)={0x0, 0x0}) clock_gettime(0x7, &(0x7f00000000c0)={0x0, 0x0}) r5 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000540), 0x2, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(r5, &(0x7f0000000080)={0x12, 0x10, 0xfa00, {0x0, 0xffffffffffffffff, r5}}, 0x18) r6 = openat$comedi(0xffffffffffffff9c, &(0x7f000000b200)='/dev/comedi1\x00', 0x8040, 0x0) ioctl$COMEDI_DEVCONFIG(r6, 0x40946400, &(0x7f0000000100)={'pcl818\x00', [0x8003, 0xd, 0x1, 0x80000001, 0xfffffffb, 0x6f8, 0x4d7, 0x0, 0x4, 0x4, 0x0, 0x401, 0x3, 0x8001, 0x9, 0x7ff, 0xa, 0x1, 0x0, 0x5, 0x8, 0x10, 0xfe, 0x6, 0x0, 0x10001, 0x26, 0x40, 0x10001, 0x8, 0x1]}) ioctl$COMEDI_DEVCONFIG(r6, 0x40946400, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x19, 0x4, &(0x7f0000000480)=ANY=[@ANYBLOB="18000000000000000000000000000000611814000000000095"], &(0x7f0000000400)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x28, '\x00', 0x0, @cgroup_sockopt=0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) socket$nl_route(0x10, 0x3, 0x0) (async) socket$nl_route(0x10, 0x3, 0x0) epoll_create1(0x0) (async) syz_mount_image$ext4(&(0x7f0000000400)='ext4\x00', &(0x7f0000000440)='./file1\x00', 0x50, &(0x7f00000001c0), 0x1, 0x3fb, &(0x7f0000000480)="$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") chdir(&(0x7f00000001c0)='./file0\x00') openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x82400, 0x0) (async, rerun: 64) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ff0000/0x10000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ff8000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000531000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68) (async, rerun: 64) sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x8) creat(&(0x7f0000000300)='./file0\x00', 0x0) (async, rerun: 32) syz_open_dev$tty1(0xc, 0x4, 0x1) (async, rerun: 32) memfd_create(&(0x7f0000000100)='\\[[]!,,@@!--\x00', 0x2) (async, rerun: 64) r7 = io_uring_setup(0x7, &(0x7f0000000040)={0x0, 0xc8a2, 0xc000, 0x8, 0x800c1}) (async, rerun: 64) setsockopt$bt_hci_HCI_FILTER(0xffffffffffffffff, 0x0, 0x2, &(0x7f0000000140)={0x2, [0x5, 0x2], 0x1ff}, 0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) socket$nl_sock_diag(0x10, 0x3, 0x4) (async, rerun: 32) writev(0xffffffffffffffff, &(0x7f0000000080)=[{0x0}], 0x1) (async, rerun: 32) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)) io_uring_enter(r7, 0x2219, 0xcf74, 0x16, 0x0, 0x0) mprotect(&(0x7f0000ff4000/0x2000)=nil, 0x2000, 0x0) (async) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000140)={0x6, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x1c}, 0x94) (async) timer_settime(r0, 0x0, &(0x7f0000000000)={{r3, r4+10000000}, {r1, r2+60000000}}, 0x0) [ 75.564213][ T5317] Bluetooth: hci0: command tx timeout [ 75.615028][ T5337] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN NOPTI [ 75.619951][ T5337] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 75.623438][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 75.627171][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 75.631843][ T5337] RIP: 0010:pcl818_ai_cancel+0x69/0x3f0 [ 75.634503][ T5337] Code: 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 19 ba 6c f9 48 8b 03 48 89 04 24 49 83 c4 28 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 f8 b9 6c f9 4d 8b 24 24 48 83 c3 [ 75.642763][ T5337] RSP: 0018:ffffc9000d49fa40 EFLAGS: 00010206 [ 75.645311][ T5337] RAX: 0000000000000005 RBX: ffff888042881f80 RCX: ffff888033acc980 [ 75.648697][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803e703800 [ 75.652028][ T5337] RBP: 0000000000000001 R08: ffff88803e70392f R09: 1ffff11007ce0725 [ 75.655238][ T5337] R10: dffffc0000000000 R11: ffffffff88bc1930 R12: 0000000000000028 [ 75.658361][ T5337] R13: dffffc0000000000 R14: ffff88803e703800 R15: dffffc0000000000 [ 75.661489][ T5337] FS: 00007efd2d7996c0(0000) GS:ffff88808d683000(0000) knlGS:0000000000000000 [ 75.665028][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.667712][ T5337] CR2: 000020000000b200 CR3: 0000000019e99000 CR4: 0000000000352ef0 [ 75.671155][ T5337] Call Trace: [ 75.672527][ T5337] [ 75.673862][ T5337] pcl818_detach+0x66/0xd0 [ 75.675729][ T5337] comedi_device_detach_locked+0x178/0x750 [ 75.678253][ T5337] comedi_unlocked_ioctl+0xcde/0x1020 [ 75.680559][ T5337] ? kasan_quarantine_put+0xdd/0x220 [ 75.682835][ T5337] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 75.685425][ T5337] ? do_futex+0x395/0x420 [ 75.687291][ T5337] ? __fget_files+0x2a/0x420 [ 75.689443][ T5337] ? __fget_files+0x3a0/0x420 [ 75.691496][ T5337] ? __fget_files+0x2a/0x420 [ 75.693499][ T5337] ? bpf_lsm_file_ioctl+0x9/0x20 [ 75.695676][ T5337] ? __pfx_comedi_unlocked_ioctl+0x10/0x10 [ 75.698164][ T5337] __se_sys_ioctl+0xfc/0x170 [ 75.700204][ T5337] do_syscall_64+0xfa/0xf80 [ 75.702197][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.704864][ T5337] ? clear_bhb_loop+0x60/0xb0 [ 75.706893][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.709283][ T5337] RIP: 0033:0x7efd2c98f7c9 [ 75.711085][ 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 [ 75.718634][ T5337] RSP: 002b:00007efd2d799038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.722207][ T5337] RAX: ffffffffffffffda RBX: 00007efd2cbe5fa0 RCX: 00007efd2c98f7c9 [ 75.725611][ T5337] RDX: 0000000000000000 RSI: 0000000040946400 RDI: 0000000000000004 [ 75.729077][ T5337] RBP: 00007efd2ca13f91 R08: 0000000000000000 R09: 0000000000000000 [ 75.732460][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.735880][ T5337] R13: 00007efd2cbe6038 R14: 00007efd2cbe5fa0 R15: 00007fffee238d08 [ 75.739240][ T5337] [ 75.740604][ T5337] Modules linked in: [ 75.742759][ T5337] ---[ end trace 0000000000000000 ]--- [ 75.774183][ T5338] loop0: detected capacity change from 0 to 512 [ 75.797988][ T5338] ======================================================= [ 75.797988][ T5338] WARNING: The mand mount option has been deprecated and [ 75.797988][ T5338] and is ignored by this kernel. Remove the mand [ 75.797988][ T5338] option from the mount to silence this warning. [ 75.797988][ T5338] ======================================================= [ 75.843685][ T5337] RIP: 0010:pcl818_ai_cancel+0x69/0x3f0 [ 75.848396][ T5338] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 75.864545][ T5337] Code: 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 19 ba 6c f9 48 8b 03 48 89 04 24 49 83 c4 28 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 f8 b9 6c f9 4d 8b 24 24 48 83 c3 [ 75.872358][ T5337] RSP: 0018:ffffc9000d49fa40 EFLAGS: 00010206 [ 75.876692][ T5339] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.0: bg 0: block 264: padding at end of block bitmap is not set [ 75.886345][ T5339] EXT4-fs error (device loop0) in ext4_mb_clear_bb:6689: Corrupt filesystem [ 75.890834][ T5337] RAX: 0000000000000005 RBX: ffff888042881f80 RCX: ffff888033acc980 [ 75.894505][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803e703800 [ 75.897932][ T5337] RBP: 0000000000000001 R08: ffff88803e70392f R09: 1ffff11007ce0725 [ 75.901478][ T5337] R10: dffffc0000000000 R11: ffffffff88bc1930 R12: 0000000000000028 [ 75.905492][ T5337] R13: dffffc0000000000 R14: ffff88803e703800 R15: dffffc0000000000 [ 75.909160][ T5337] FS: 00007efd2d7996c0(0000) GS:ffff88808d683000(0000) knlGS:0000000000000000 [ 75.913107][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.917289][ T5337] CR2: 0000000000000000 CR3: 0000000019e99000 CR4: 0000000000352ef0 [ 75.921034][ T5337] Kernel panic - not syncing: Fatal exception [ 75.923733][ T5337] Kernel Offset: disabled [ 75.925449][ T5337] Rebooting in 86400 seconds..