loop5: detected capacity change from 0 to 264192 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 45543067 P4D 45543067 PUD 3014e067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 17933 Comm: syz-executor.1 Not tainted 6.2.0-rc8-next-20230214 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffff88803d45f630 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffea0001125280 RCX: ffffffff8161fd5c RDX: fffff94000224a51 RSI: ffffea0001125280 RDI: ffff888037bc4000 RBP: ffff888037bc4000 R08: 0000000000000001 R09: ffffea0001125287 R10: fffff94000224a50 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0001125280 R14: ffff888044214198 R15: ffff888044214230 FS: 00007fc789655700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003ad38000 CR4: 0000000000350ee0 DR0: 0000000020000100 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: filemap_read_folio+0x5c/0x1f0 filemap_get_pages+0x46f/0x1560 generic_file_buffered_splice_read.constprop.0+0x2ce/0xcf0 syz-executor.3 calls setitimer() with new_value NULL pointer. Misfeature support will be removed generic_file_splice_read+0x198/0xb70 do_splice_to+0x1bc/0x240 splice_direct_to_actor+0x2b0/0x8c0 do_splice_direct+0x1bc/0x290 do_sendfile+0xb1d/0x12b0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc78c0dfb19 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:00007fc789655188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc78c1f2f60 RCX: 00007fc78c0dfb19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007fc78c139f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5438367f R14: 00007fc789655300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffff88803d45f630 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffea0001125280 RCX: ffffffff8161fd5c RDX: fffff94000224a51 RSI: ffffea0001125280 RDI: ffff888037bc4000 RBP: ffff888037bc4000 R08: 0000000000000001 R09: ffffea0001125287 R10: fffff94000224a50 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0001125280 R14: ffff888044214198 R15: ffff888044214230 FS: 00007fc789655700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003ad38000 CR4: 0000000000350ee0 DR0: 0000000020000100 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 note: syz-executor.1[17933] exited with irqs disabled sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 1 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 2, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 3, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 4 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 4, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 5 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 5, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 6 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 6, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 7 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev sr0, logical block 7, async page read BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 45543067 P4D 45543067 PUD 3014e067 PMD 0 Oops: 0010 [#2] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 17954 Comm: syz-executor.1 Tainted: G D 6.2.0-rc8-next-20230214 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffff88803b07f630 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffea00011166c0 RCX: ffffffff8161fd5c RDX: fffff94000222cd9 RSI: ffffea00011166c0 RDI: ffff88800cafb680 RBP: ffff88800cafb680 R08: 0000000000000001 R09: ffffea00011166c7 R10: fffff94000222cd8 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea00011166c0 R14: ffff888016c503b8 R15: ffff888016c50450 FS: 00007fc789634700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003ad38000 CR4: 0000000000350ef0 DR0: 0000000020000100 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: filemap_read_folio+0x5c/0x1f0 filemap_get_pages+0x46f/0x1560 generic_file_buffered_splice_read.constprop.0+0x2ce/0xcf0 generic_file_splice_read+0x198/0xb70 do_splice_to+0x1bc/0x240 splice_direct_to_actor+0x2b0/0x8c0 do_splice_direct+0x1bc/0x290 do_sendfile+0xb1d/0x12b0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc78c0dfb19 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 loop5: detected capacity change from 0 to 264192 RSP: 002b:00007fc789634188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc78c1f3020 RCX: 00007fc78c0dfb19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007fc78c139f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000007fff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5438367f R14: 00007fc789634300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffff88803d45f630 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffea0001125280 RCX: ffffffff8161fd5c RDX: fffff94000224a51 RSI: ffffea0001125280 RDI: ffff888037bc4000 RBP: ffff888037bc4000 R08: 0000000000000001 R09: ffffea0001125287 R10: fffff94000224a50 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0001125280 R14: ffff888044214198 R15: ffff888044214230 FS: 00007fc789634700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003ad38000 CR4: 0000000000350ef0 DR0: 0000000020000100 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 note: syz-executor.1[17954] exited with irqs disabled hpet: Lost 2 RTC interrupts sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Buffer I/O error on dev sr0, logical block 0, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer Buffer I/O error on dev sr0, logical block 1, async page read sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer loop5: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer loop5: detected capacity change from 0 to 264192 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 00 00 00 00 00 40 00 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter '.]sprefer:0' EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 EXT4-fs: EXT4-fs: inode_readahead_blks must be 0 or a power of 2 smaller than 2^31 tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter '.]sprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter '.]sprefer:0' tmpfs: Unknown parameter '.]sprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' tmpfs: Unknown parameter 'mpolprefer:0' random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption loop6: detected capacity change from 0 to 2048 EXT4-fs (loop6): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! loop6: detected capacity change from 0 to 2048 EXT4-fs (loop6): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! loop6: detected capacity change from 0 to 2048 loop3: detected capacity change from 0 to 40 audit: type=1400 audit(1676374742.465:23): avc: denied { relabelto } for pid=18351 comm="syz-executor.3" name="file1" dev="sda" ino=16067 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 EXT4-fs (loop6): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! audit: type=1400 audit(1676374742.474:24): avc: denied { getattr } for pid=18351 comm="syz-executor.3" path="/syzkaller-testdir687334394/syzkaller.jkqCbM/211/file0/file1" dev="sda" ino=16067 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1676374742.475:25): avc: denied { read write } for pid=18351 comm="syz-executor.3" name="file1" dev="sda" ino=16067 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1676374742.475:26): avc: denied { open } for pid=18351 comm="syz-executor.3" path="/syzkaller-testdir687334394/syzkaller.jkqCbM/211/file0/file1" dev="sda" ino=16067 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 audit: type=1400 audit(1676374742.505:27): avc: denied { ioctl } for pid=18351 comm="syz-executor.3" path="/syzkaller-testdir687334394/syzkaller.jkqCbM/211/file0/file1" dev="sda" ino=16067 ioctlcmd=0x9403 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 loop3: detected capacity change from 0 to 40 audit: type=1400 audit(1676374742.568:28): avc: denied { unlink } for pid=9874 comm="syz-executor.3" name="file1" dev="sda" ino=16023 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:mouse_device_t:s0 tclass=file permissive=1 loop6: detected capacity change from 0 to 2048 EXT4-fs (loop6): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! loop3: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40 loop3: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40 loop3: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40