audit: type=1400 audit(1692601767.904:8): avc: denied { kernel } for pid=6463 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6481 at fs/ext4/file.c:611 ext4_file_write_iter+0xe2a/0x19b0 Modules linked in: CPU: 1 PID: 6481 Comm: syz-executor.5 Not tainted 6.5.0-rc6-next-20230818 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_file_write_iter+0xe2a/0x19b0 Code: 02 84 c0 74 08 3c 03 0f 8e 81 0b 00 00 41 8b 5f 20 31 ff 83 e3 08 89 de e8 b3 e8 9a ff 85 db 0f 85 ef fc ff ff e8 06 ed 9a ff <0f> 0b e9 e3 fc ff ff e8 fa ec 9a ff 48 8b 54 24 70 48 b8 00 00 00 RSP: 0018:ffff888040cf7c28 EFLAGS: 00010216 RAX: 000000000000bb7f RBX: 0000000000000000 RCX: ffffc900029dc000 RDX: 0000000000040000 RSI: ffffffff81b2a42a RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: fffffffffffffff5 R13: ffff888017fedc60 R14: ffff888040cf7db0 R15: ffff888040cf7e00 FS: 00007ffb1bbbd700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff408e4ba8 CR3: 000000003f384000 CR4: 0000000000350ee0 Call Trace: vfs_write+0x97d/0xda0 ksys_write+0x122/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7ffb1e689b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffb1bbbd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffb1e79d0e0 RCX: 00007ffb1e689b19 RDX: 00000000ffff8000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007ffb1e6e3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc42c0b53f R14: 00007ffb1bbbd300 R15: 0000000000022000 irq event stamp: 935 hardirqs last enabled at (945): [] console_unlock+0x2a8/0x2e0 hardirqs last disabled at (1114): [] console_unlock+0x28d/0x2e0 softirqs last enabled at (1110): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (1133): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- hrtimer: interrupt took 14467 ns Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci2: command 0x0409 tx timeout Bluetooth: hci2: command 0x041b tx timeout