EXT4-fs (loop4): Unrecognized mount option "Ó" or missing value EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue general protection fault, probably for non-canonical address 0xdffffc0000000029: 0000 [#1] SMP KASAN NOPTI EXT4-fs (loop4): Unrecognized mount option "Ó" or missing value KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f] CPU: 1 PID: 4300 Comm: syz-executor.0 Not tainted 5.10.52 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:io_sq_offload_start fs/io_uring.c:7995 [inline] RIP: 0010:io_disable_sqo_submit+0x1b1/0x230 fs/io_uring.c:8715 Code: e8 f4 01 bc ff 85 ed 0f 84 fc fe ff ff e8 77 08 bc ff 49 8d bd 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 64 49 8b ad 48 01 00 00 48 85 ed 0f 84 c9 fe ff ff RSP: 0018:ffff8880431bfd70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88803a04d000 RCX: ffffc900009ea000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff88803a04d3c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803a04d3c0 R13: 0000000000000000 R14: ffff88803a04d048 R15: ffff88803a04d000 FS: 00007ff10b251700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002011d37e CR3: 0000000022062000 CR4: 0000000000350ee0 Call Trace: io_uring_create fs/io_uring.c:9508 [inline] io_uring_setup+0x14e0/0x2ee0 fs/io_uring.c:9536 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 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:00007ff10b251108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 0000000000466609 RDX: 0000000020ffd000 RSI: 0000000020000080 RDI: 0000000000005daa RBP: 0000000020000080 R08: 0000000020000140 R09: 0000000020000140 R10: 0000000020000100 R11: 0000000000000202 R12: 0000000020000140 R13: 0000000020ffd000 R14: 0000000020000100 R15: 0000000020ffa000 Modules linked in: ---[ end trace 27caf0e87ff6a89d ]--- RIP: 0010:io_sq_offload_start fs/io_uring.c:7995 [inline] RIP: 0010:io_disable_sqo_submit+0x1b1/0x230 fs/io_uring.c:8715 EXT4-fs (sda): re-mounted. Opts: ,errors=continue Code: e8 f4 01 bc ff 85 ed 0f 84 fc fe ff ff e8 77 08 bc ff 49 8d bd 48 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 64 49 8b ad 48 01 00 00 48 85 ed 0f 84 c9 fe ff ff RSP: 0018:ffff8880431bfd70 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: ffff88803a04d000 RCX: ffffc900009ea000 RDX: 0000000000000029 RSI: ffffffff81837cb9 RDI: 0000000000000148 RBP: 0000000000000002 R08: 0000000000000000 R09: ffff88803a04d3c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803a04d3c0 R13: 0000000000000000 R14: ffff88803a04d048 R15: ffff88803a04d000 FS: 00007ff10b251700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002011d37e CR3: 0000000022062000 CR4: 0000000000350ee0 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue FAT-fs (loop4): Unrecognized mount option "nnonumtail=1" or missing value FAT-fs (loop4): Unrecognized mount option "nnonumtail=1" or missing value EXT4-fs warning (device loop2): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14432 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14433 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14434 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14435 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14436 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14437 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14438 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14439 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14440 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14441 syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) FAT-fs (loop4): Unrecognized mount option "nnonumtail=1" or missing value EXT4-fs (loop6): Unrecognized mount option "/dev/sr0" or missing value audit: type=1400 audit(1627488997.191:10): avc: denied { sys_admin } for pid=4379 comm="syz-executor.6" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop6): Unrecognized mount option "/dev/sr0" or missing value EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue FAT-fs (loop4): Unrecognized mount option "nnonumtail=1" or missing value EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs warning (device loop3): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14432 EXT4-fs warning (device loop2): ext4_group_extend:1807: will only finish group (16384 blocks, 16256 new) EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14432 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14433 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14434 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14433 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14435 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14434 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14436 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14437 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14435 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14438 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14439 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14436 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14440 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14437 EXT4-fs error (device loop3): ext4_group_add_blocks:5618: comm syz-executor.3: bit already cleared for block 14441 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14438 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14439 EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14440 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop2): ext4_group_add_blocks:5618: comm syz-executor.2: bit already cleared for block 14441 EXT4-fs (loop7): Unrecognized mount option "/dev/sr0" or missing value