audit: type=1400 audit(1682177933.295:16): avc: denied { read } for pid=4724 comm="syz-executor.0" 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: 4727 at lib/iov_iter.c:385 _copy_from_iter+0x2b2/0x1330 Modules linked in: CPU: 1 PID: 4727 Comm: syz-executor.0 Not tainted 6.3.0-rc7-next-20230421 #1 ext4: Unknown parameter 'l' Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2b2/0x1330 Code: 5d 41 5e 41 5f e9 c2 86 36 02 e8 b9 5a 36 ff be 85 01 00 00 48 c7 c7 40 cf 9e 84 e8 98 6c 5a ff e9 51 fe ff ff e8 9e 5a 36 ff <0f> 0b 45 31 f6 eb 87 e8 92 5a 36 ff 31 ff 89 ee e8 c9 55 36 ff 40 RSP: 0018:ffff8880440c7608 EFLAGS: 00010212 RAX: 0000000000003c09 RBX: 0000000000000000 RCX: ffffc90000bcd000 RDX: 0000000000040000 RSI: ffffffff82157ce2 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 R13: ffff8880440c7838 R14: 0000000000001000 R15: ffff8880440c7838 FS: 00007fbb10be8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81f427e3a4 CR3: 000000001f2be000 CR4: 0000000000350ee0 Call Trace: copy_page_from_iter+0xe3/0x180 blk_rq_map_user_iov+0xb39/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2d8/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbb13672b19 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:00007fbb10be8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbb13785f60 RCX: 00007fbb13672b19 FAT-fs (loop7): bogus number of reserved sectors FAT-fs (loop7): Can't find a valid FAT filesystem RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fbb136ccf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd5ecba1f R14: 00007fbb10be8300 R15: 0000000000022000 irq event stamp: 10511 hardirqs last enabled at (10645): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (10736): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (2488): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (2375): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- loop6: detected capacity change from 0 to 4 ext4: Unknown parameter 'l' loop4: detected capacity change from 0 to 147456 nfs4: Unknown parameter '*%¾'' audit: type=1400 audit(1682177933.556:17): avc: denied { watch_reads } for pid=4751 comm="syz-executor.1" path="/dev/bsg" dev="devtmpfs" ino=113 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:device_t:s0 tclass=dir permissive=1 lo: entered promiscuous mode lo: entered allmulticast mode