loop1: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 512 ext4: Unknown parameter '' loop5: detected capacity change from 0 to 512 general protection fault, probably for non-canonical address 0xe09ffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI ext4: Unknown parameter '' KASAN: maybe wild-memory-access in range [0x0500000000000008-0x050000000000000f] CPU: 1 PID: 310 Comm: kworker/u5:4 Not tainted 5.16.0-rc6-next-20211224 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: hci3 hci_rx_work RIP: 0010:hci_inquiry_result_with_rssi_evt+0x9b/0x850 net/bluetooth/hci_event.c:4519 Code: 39 a8 fd 48 89 e8 48 c1 e8 03 42 80 3c 20 00 0f 85 b8 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 69 06 00 00 RSP: 0018:ffff88801847fae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88800e938000 RCX: 0000000000000000 RDX: 00a0000000000001 RSI: ffffffff839ae514 RDI: ffff88800e938000 RBP: ffff88800c64900b R08: 0000000000000087 R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 0500000000000009 R13: ffff888036ae6000 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f831ec0c004 CR3: 000000003af9a000 CR4: 0000000000350ee0 Call Trace: hci_event_func net/bluetooth/hci_event.c:6838 [inline] hci_event_packet+0x7b6/0xdd0 net/bluetooth/hci_event.c:6887 hci_rx_work+0x22e/0xb70 net/bluetooth/hci_core.c:3817 process_one_work+0xa2a/0x16d0 kernel/workqueue.c:2307 worker_thread+0x628/0x1310 kernel/workqueue.c:2454 kthread+0x2f0/0x3a0 kernel/kthread.c:377 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_inquiry_result_with_rssi_evt+0x9b/0x850 net/bluetooth/hci_event.c:4519 Code: 39 a8 fd 48 89 e8 48 c1 e8 03 42 80 3c 20 00 0f 85 b8 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 69 06 00 00 RSP: 0018:ffff88801847fae8 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88800e938000 RCX: 0000000000000000 RDX: 00a0000000000001 RSI: ffffffff839ae514 RDI: ffff88800e938000 RBP: ffff88800c64900b R08: 0000000000000087 R09: 0000000000000000 R10: ffffffff839cdf70 R11: 0000000000000000 R12: 0500000000000009 R13: ffff888036ae6000 R14: 0000000000000000 R15: 0000000000000022 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f831ec0c004 CR3: 000000003af9a000 CR4: 0000000000350ee0 loop0: detected capacity change from 0 to 6 loop3: detected capacity change from 0 to 16383 loop1: detected capacity change from 0 to 264192 FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 7) failed FAT-fs (loop0): Directory bread(block 8) failed EXT4-fs error (device loop4): ext4_quota_enable:6810: inode #3: comm syz-executor.4: iget: bad i_size value: -9157583278297835520 FAT-fs (loop0): Directory bread(block 9) failed EXT4-fs error (device loop4): ext4_quota_enable:6812: comm syz-executor.4: Bad quota inode # 3 FAT-fs (loop0): Directory bread(block 6) failed EXT4-fs warning (device loop4): ext4_enable_quotas:6849: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix. FAT-fs (loop0): Directory bread(block 7) failed FAT-fs (loop0): Directory bread(block 8) failed FAT-fs (loop0): Directory bread(block 9) failed EXT4-fs (loop4): mount failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 7) failed loop3: detected capacity change from 0 to 16383 FAT-fs (loop3): bogus number of reserved sectors FAT-fs (loop3): Can't find a valid FAT filesystem loop2: detected capacity change from 0 to 10 loop2: detected capacity change from 0 to 10 syz-executor.1 calls setitimer() with new_value NULL pointer. Misfeature support will be removed loop0: detected capacity change from 0 to 6 audit: type=1400 audit(1640719153.824:7): avc: denied { open } for pid=4062 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 audit: type=1400 audit(1640719153.824:8): avc: denied { kernel } for pid=4062 comm="syz-executor.7" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 7) failed FAT-fs (loop0): Directory bread(block 8) failed loop2: detected capacity change from 0 to 10 FAT-fs (loop0): Directory bread(block 9) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 7) failed FAT-fs (loop0): Directory bread(block 8) failed FAT-fs (loop0): Directory bread(block 9) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 7) failed ---------------- Code disassembly (best guess): 0: 39 a8 fd 48 89 e8 cmp %ebp,-0x1776b703(%rax) 6: 48 c1 e8 03 shr $0x3,%rax a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) f: 0f 85 b8 06 00 00 jne 0x6cd 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 4c 8b 65 00 mov 0x0(%rbp),%r12 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 4c 89 e2 mov %r12,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 69 06 00 00 jne 0x6a9