program: perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x99, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x200, 0x6}, 0x0, 0x4, 0x0, 0x0, 0xd, 0x0, 0x800, 0x0, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$udf(&(0x7f0000000080), &(0x7f0000000180)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x82, &(0x7f0000000700)=ANY=[], 0xfd, 0xc34, &(0x7f0000001080)="$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") r0 = creat(&(0x7f0000000300)='./bus\x00', 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00') r2 = io_uring_setup(0x7d1, &(0x7f0000000580)={0x0, 0x2bc8, 0x8, 0xfffffffe, 0x183}) io_setup(0x1, &(0x7f00000004c0)=0x0) close_range(r2, 0xffffffffffffffff, 0x0) socket$isdn(0x22, 0x2, 0x10) io_submit(r3, 0x1, &(0x7f0000000700)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, r2, 0x0}]) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x18, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r1, 0x800c6613, &(0x7f00000000c0)=@v1={0x0, @aes256, 0x14, @auto="31e172270601c8c6"}) r4 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r5) r6 = socket$inet6_mptcp(0xa, 0x1, 0x106) fsetxattr$security_evm(r5, &(0x7f0000000140), &(0x7f0000000280)=@sha1={0x1, "0a1c5ed918b4588b4456a8ff91e4498709da5df2"}, 0x15, 0x1) bind$inet6(r5, &(0x7f0000000040)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r6, 0x0) r7 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r7, &(0x7f0000000000)={0x2, 0x4e22, @local}, 0x10) setsockopt$inet_int(r7, 0x0, 0x13, &(0x7f0000000100)=0x1, 0x4) r8 = open(&(0x7f0000000180)='./bus\x00', 0x4047e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27fffff, 0x4002011, r8, 0x0) ftruncate(r0, 0x1f) write$cgroup_type(r4, &(0x7f0000000200), 0x175d9003) [ 144.701179][ T4683] Bluetooth: hci0: command tx timeout [ 144.951120][ T5339] loop0: detected capacity change from 0 to 2048 [ 145.009849][ T5339] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 145.041800][ T5339] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 145.080968][ T5339] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 145.084879][ T5339] #PF: supervisor instruction fetch in kernel mode [ 145.088217][ T5339] #PF: error_code(0x0010) - not-present page [ 145.090864][ T5339] PGD 0 P4D 0 [ 145.092348][ T5339] Oops: Oops: 0010 [#1] SMP KASAN NOPTI [ 145.094766][ T5339] CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 145.098685][ T5339] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 145.103368][ T5339] RIP: 0010:0x0 [ 145.104970][ T5339] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 145.108236][ T5339] RSP: 0018:ffffc9000adef958 EFLAGS: 00010287 [ 145.110839][ T5339] RAX: ffffffff81fbd274 RBX: 1ffffd40000feef8 RCX: 0000000000100000 [ 145.114232][ T5339] RDX: ffffc90021012000 RSI: ffffea00007f77c0 RDI: ffff888043f38a80 [ 145.117691][ T5339] RBP: ffffc9000adefa18 R08: ffffea00007f77c7 R09: 1ffffd40000feef8 [ 145.120937][ T5339] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000000 [ 145.124210][ T5339] R13: ffffea00007f77c8 R14: ffffea00007f77c0 R15: 1ffffd40000feef9 [ 145.127603][ T5339] FS: 00007f938aaf76c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000 [ 145.131749][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 145.135272][ T5339] CR2: ffffffffffffffd6 CR3: 000000001c75e000 CR4: 0000000000352ef0 [ 145.139315][ T5339] Call Trace: [ 145.140885][ T5339] [ 145.142265][ T5339] filemap_read_folio+0x117/0x380 [ 145.144749][ T5339] ? __pfx_filemap_read_folio+0x10/0x10 [ 145.147086][ T5339] do_read_cache_folio+0x358/0x590 [ 145.149235][ T5339] freader_get_folio+0x3c7/0x830 [ 145.151617][ T5339] freader_fetch+0xa3/0x750 [ 145.153575][ T5339] __build_id_parse+0x133/0x7d0 [ 145.155629][ T5339] ? __pfx___build_id_parse+0x10/0x10 [ 145.157804][ T5339] procfs_procmap_ioctl+0x76f/0xce0 [ 145.160076][ T5339] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 145.162663][ T5339] ? __fget_files+0x2a/0x420 [ 145.164652][ T5339] ? __fget_files+0x2a/0x420 [ 145.166683][ T5339] ? __fget_files+0x3a0/0x420 [ 145.168961][ T5339] ? __fget_files+0x2a/0x420 [ 145.171140][ T5339] ? bpf_lsm_file_ioctl+0x9/0x20 [ 145.173370][ T5339] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 145.175838][ T5339] __se_sys_ioctl+0xfc/0x170 [ 145.177956][ T5339] do_syscall_64+0xec/0xf80 [ 145.179901][ T5339] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.182603][ T5339] ? trace_irq_disable+0x37/0x100 [ 145.185140][ T5339] ? clear_bhb_loop+0x60/0xb0 [ 145.187412][ T5339] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.189940][ T5339] RIP: 0033:0x7f9389b8f7c9 [ 145.191957][ T5339] 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 [ 145.200432][ T5339] RSP: 002b:00007f938aaf7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 145.204573][ T5339] RAX: ffffffffffffffda RBX: 00007f9389de5fa0 RCX: 00007f9389b8f7c9 [ 145.208812][ T5339] RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000005 [ 145.213239][ T5339] RBP: 00007f9389c13f91 R08: 0000000000000000 R09: 0000000000000000 [ 145.216672][ T5339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 145.219898][ T5339] R13: 00007f9389de6038 R14: 00007f9389de5fa0 R15: 00007fff799771a8 [ 145.223067][ T5339] [ 145.224388][ T5339] Modules linked in: [ 145.226112][ T5339] CR2: 0000000000000000 [ 145.228011][ T5339] ---[ end trace 0000000000000000 ]--- [ 145.230334][ T5339] RIP: 0010:0x0 [ 145.231850][ T5339] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 145.234992][ T5339] RSP: 0018:ffffc9000adef958 EFLAGS: 00010287 [ 145.237682][ T5339] RAX: ffffffff81fbd274 RBX: 1ffffd40000feef8 RCX: 0000000000100000 [ 145.241052][ T5339] RDX: ffffc90021012000 RSI: ffffea00007f77c0 RDI: ffff888043f38a80 [ 145.244674][ T5339] RBP: ffffc9000adefa18 R08: ffffea00007f77c7 R09: 1ffffd40000feef8 [ 145.248429][ T5339] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000000 [ 145.252421][ T5339] R13: ffffea00007f77c8 R14: ffffea00007f77c0 R15: 1ffffd40000feef9 [ 145.256182][ T5339] FS: 00007f938aaf76c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000 [ 145.260038][ T5339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 145.262664][ T5339] CR2: ffffffffffffffd6 CR3: 000000001c75e000 CR4: 0000000000352ef0 [ 145.265788][ T5339] Kernel panic - not syncing: Fatal exception [ 145.268604][ T5339] Kernel Offset: disabled [ 145.270407][ T5339] Rebooting in 86400 seconds..