program: r0 = syz_mount_image$fuse(&(0x7f0000000040), &(0x7f0000000080)='./file1\x00', 0x2000000, &(0x7f0000000140)={{}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id', 0x3d, 0xee01}, 0x2c, {[{@allow_other}, {@blksize={'blksize', 0x3d, 0x1400}}, {@max_read={'max_read', 0x3d, 0x3}}, {@default_permissions}, {@blksize={'blksize', 0x3d, 0x400}}], [{@dont_appraise}, {@fsuuid={'fsuuid', 0x3d, {[0x30, 0x66, 0x33, 0x39, 0x5, 0x31, 0x37], 0x2d, [0x36, 0x63, 0x30, 0x31], 0x2d, [0x7f3b4f138cb7c8b2, 0x37, 0x37, 0x65], 0x2d, [0x62, 0x61, 0x34, 0x32], 0x2d, [0x36, 0x37, 0x30, 0x30, 0x36, 0x32, 0x38, 0x64]}}}, {@fscontext={'fscontext', 0x3d, 'sysadm_u'}}, {@measure}, {@subj_type={'subj_type', 0x3d, '/proc/locks\x00'}}, {@obj_user={'obj_user', 0x3d, ']\'\xa4+)w#'}}, {@mask={'mask', 0x3d, '^MAY_WRITE'}}, {@fowner_eq={'fowner', 0x3d, 0xee01}}, {@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@seclabel}]}}, 0x0, 0x0, &(0x7f0000000300)="8d1a56cb60762d495a90f42279cdd01e9bdab4ac77c92eb0286cfa4c8aaac00a4b2201570de12ed64ce4ec9243ce3666ba085c69189fbf02cabf028cb838551bd66840f5f816c0cd587c78f144363f3b") r1 = openat(r0, &(0x7f00000000c0)='./file1\x00', 0xa3adc1, 0x10f) fcntl$setlease(r1, 0x400, 0x1) fcntl$setlease(r1, 0x8, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x0, 0x0) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/locks\x00', 0x0, 0x0) r3 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00') ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0xc0686611, &(0x7f0000000180)={0x67, 0x0, 0x18, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x8, 0x8983, 0x0, 0x0, 0x19, 0x10, "2ca77e7c26918721d73535f63e190779a482587cc06ee00402b4ca0b74bcedc349ffc2fb1ea584841550c309e4ec34684b20ea28b5c21e24eb424a97215c73b5", "dade53b553f1cba5094fdec74f0669e009777478584dc4dad3f33aa5166bc28e80ef6740c51d4b0fbf31ae93947df238ab2cb6bfd27b28dd407862732be34ce3", "bef608075179267266dc86b284692ac761560b3f2f7777875d14bbdbf2135639", [0xa64, 0x5]}) pread64(r2, &(0x7f0000001440)=""/126, 0xfffffe61, 0x0) [ 76.197032][ T5297] Bluetooth: hci0: command tx timeout [ 76.258253][ T5318] fuse: Bad value for 'fd' [ 76.270949][ T5318] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 76.274258][ T5318] #PF: supervisor instruction fetch in kernel mode [ 76.277114][ T5318] #PF: error_code(0x0010) - not-present page [ 76.279680][ T5318] PGD 0 P4D 0 [ 76.281196][ T5318] Oops: Oops: 0010 [#1] SMP KASAN NOPTI [ 76.283484][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 76.287347][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.291908][ T5318] RIP: 0010:0x0 [ 76.293410][ T5318] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 76.296720][ T5318] RSP: 0018:ffffc9000d3bf958 EFLAGS: 00010287 [ 76.299684][ T5318] RAX: ffffffff81fa8bb4 RBX: 1ffffd40001180b8 RCX: 0000000000100000 [ 76.302988][ T5318] RDX: ffffc9000e1ea000 RSI: ffffea00008c05c0 RDI: ffff888041a09c40 [ 76.306397][ T5318] RBP: ffffc9000d3bfa10 R08: ffffea00008c05c7 R09: 1ffffd40001180b8 [ 76.310014][ T5318] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000000 [ 76.313429][ T5318] R13: ffffea00008c05c8 R14: ffffea00008c05c0 R15: 1ffffd40001180b9 [ 76.316793][ T5318] FS: 00007f5e5ac5f6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000 [ 76.320869][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.323692][ T5318] CR2: ffffffffffffffd6 CR3: 0000000042496000 CR4: 0000000000352ef0 [ 76.327144][ T5318] Call Trace: [ 76.328682][ T5318] [ 76.330014][ T5318] filemap_read_folio+0x117/0x380 [ 76.332234][ T5318] ? __pfx_filemap_read_folio+0x10/0x10 [ 76.334702][ T5318] ? filemap_add_folio+0x35f/0x540 [ 76.337150][ T5318] do_read_cache_folio+0x350/0x590 [ 76.339588][ T5318] freader_get_folio+0x3c4/0x830 [ 76.341654][ T5318] freader_fetch+0xa3/0x5d0 [ 76.343578][ T5318] __build_id_parse+0x133/0x7d0 [ 76.345662][ T5318] ? __pfx___build_id_parse+0x10/0x10 [ 76.347982][ T5318] procfs_procmap_ioctl+0x76f/0xce0 [ 76.350241][ T5318] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 76.352627][ T5318] ? __fget_files+0x3a0/0x420 [ 76.354561][ T5318] ? __fget_files+0x2a/0x420 [ 76.356620][ T5318] ? bpf_lsm_file_ioctl+0x9/0x20 [ 76.358664][ T5318] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 76.361120][ T5318] __se_sys_ioctl+0xfc/0x170 [ 76.363167][ T5318] do_syscall_64+0xfa/0xfa0 [ 76.365251][ T5318] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.367731][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.370242][ T5318] ? clear_bhb_loop+0x60/0xb0 [ 76.372330][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.374843][ T5318] RIP: 0033:0x7f5e59d8f749 [ 76.376777][ T5318] 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 [ 76.385080][ T5318] RSP: 002b:00007f5e5ac5f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.388691][ T5318] RAX: ffffffffffffffda RBX: 00007f5e59fe5fa0 RCX: 00007f5e59d8f749 [ 76.391994][ T5318] RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000005 [ 76.395290][ T5318] RBP: 00007f5e59e13f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.398635][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.402068][ T5318] R13: 00007f5e59fe6038 R14: 00007f5e59fe5fa0 R15: 00007ffc4bd0cbc8 [ 76.405442][ T5318] [ 76.406820][ T5318] Modules linked in: [ 76.408539][ T5318] CR2: 0000000000000000 [ 76.410384][ T5318] ---[ end trace 0000000000000000 ]--- [ 76.412812][ T5318] RIP: 0010:0x0 [ 76.414409][ T5318] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 76.417644][ T5318] RSP: 0018:ffffc9000d3bf958 EFLAGS: 00010287 [ 76.420171][ T5318] RAX: ffffffff81fa8bb4 RBX: 1ffffd40001180b8 RCX: 0000000000100000 [ 76.423621][ T5318] RDX: ffffc9000e1ea000 RSI: ffffea00008c05c0 RDI: ffff888041a09c40 [ 76.426984][ T5318] RBP: ffffc9000d3bfa10 R08: ffffea00008c05c7 R09: 1ffffd40001180b8 [ 76.430505][ T5318] R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000000 [ 76.434005][ T5318] R13: ffffea00008c05c8 R14: ffffea00008c05c0 R15: 1ffffd40001180b9 [ 76.437368][ T5318] FS: 00007f5e5ac5f6c0(0000) GS:ffff88808d72f000(0000) knlGS:0000000000000000 [ 76.441077][ T5318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.443847][ T5318] CR2: ffffffffffffffd6 CR3: 0000000042496000 CR4: 0000000000352ef0 [ 76.447199][ T5318] Kernel panic - not syncing: Fatal exception [ 76.450151][ T5318] Kernel Offset: disabled [ 76.451999][ T5318] Rebooting in 86400 seconds..