loop4: detected capacity change from 0 to 264192 FAT-fs (loop4): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value general protection fault, probably for non-canonical address 0xdffffc00040004d8: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000200026c0-0x00000000200026c7] CPU: 0 PID: 4300 Comm: syz-executor.6 Not tainted 6.3.0-rc3-next-20230327 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff88804396fc78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff88804396fd60 RCX: ffffc900047fb000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000000fff R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000fff R11: 0000000000000001 R12: ffff88800deb9680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007fc07e202700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c722000 CR3: 0000000040c46000 CR4: 0000000000350ef0 Call Trace: vfs_readv+0xe5/0x160 __x64_sys_preadv+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc080c8cb19 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:00007fc07e202188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007fc080d9ff60 RCX: 00007fc080c8cb19 RDX: 0000000000000001 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00007fc080ce6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5883c53f R14: 00007fc07e202300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff88804396fc78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff88804396fd60 RCX: ffffc900047fb000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000000fff R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000fff R11: 0000000000000001 R12: ffff88800deb9680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007fc07e202700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c722000 CR3: 0000000040c46000 CR4: 0000000000350ef0 loop4: detected capacity change from 0 to 264192 FAT-fs (loop4): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop6: detected capacity change from 0 to 264192 loop4: detected capacity change from 0 to 264192 FAT-fs (loop4): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value FAT-fs (loop6): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop6: detected capacity change from 0 to 264192 FAT-fs (loop6): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop4: detected capacity change from 0 to 264192 FAT-fs (loop4): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop6: detected capacity change from 0 to 264192 FAT-fs (loop6): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop4: detected capacity change from 0 to 264192 FAT-fs (loop4): Unrecognized mount option "v1*l:)]gDbӧ'lOJG^bYfoj"Z跩znVSnӄ75-[p" or missing value loop1: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write audit: type=1326 audit(1679918727.161:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4498 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe2f5f49b19 code=0x0 audit: type=1326 audit(1679918727.973:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4498 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe2f5f49b19 code=0x0 loop1: detected capacity change from 0 to 40 audit: type=1326 audit(1679918728.100:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4514 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe2f5f49b19 code=0x0 audit: type=1326 audit(1679918728.311:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4527 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fc080c8cb19 code=0x0 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write audit: type=1326 audit(1679918729.052:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4533 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe2f5f49b19 code=0x0 audit: type=1326 audit(1679918729.234:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4547 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fc080c8cb19 code=0x0 loop1: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=4559 comm=syz-executor.7 general protection fault, probably for non-canonical address 0xdffffc0004000008: 0000 [#2] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000020000040-0x0000000020000047] CPU: 0 PID: 4568 Comm: syz-executor.2 Tainted: G D 6.3.0-rc3-next-20230327 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:do_iter_write+0x477/0x700 Code: 00 0f 85 fd 01 00 00 4d 8b 7c 24 28 e8 d2 05 c6 ff 48 8b 44 24 18 80 38 00 0f 85 68 01 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 3b 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff888043087c70 EFLAGS: 00010212 RAX: 0000000020000040 RBX: ffff888043087d60 RCX: ffffc900021e8000 RDX: 0000000004000008 RSI: ffffffff8185830e RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800e641400 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84922580 FS: 00007f3493f73700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000004030c000 CR4: 0000000000350ef0 Call Trace: vfs_writev+0x1ae/0x660 __x64_sys_pwritev+0x233/0x310 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f34969fdb19 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:00007f3493f73188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f3496b10f60 RCX: 00007f34969fdb19 RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f3496a57f6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000000d3 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7af90cbf R14: 00007f3493f73300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_iter_read+0x481/0x750 Code: 00 0f 85 52 02 00 00 4d 8b 7c 24 28 e8 48 2c c6 ff 48 8b 44 24 18 80 38 00 0f 85 1c 02 00 00 48 8b 43 18 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 ef 01 00 00 48 8b 4c 24 20 48 8b 30 80 39 00 RSP: 0018:ffff88804396fc78 EFLAGS: 00010216 RAX: 00000000200026c0 RBX: ffff88804396fd60 RCX: ffffc900047fb000 RDX: 00000000040004d8 RSI: ffffffff81855c98 RDI: 0000000000000007 RBP: 0000000000000fff R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000fff R11: 0000000000000001 R12: ffff88800deb9680 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8491de20 FS: 00007f3493f73700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000004030c000 CR4: 0000000000350ef0 loop1: detected capacity change from 0 to 40 audit: type=1326 audit(1679918730.451:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4578 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe2f5f49b19 code=0x0 audit: type=1326 audit(1679918730.467:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4577 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fc080c8cb19 code=0x0 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=4591 comm=syz-executor.2 ---------------- Code disassembly (best guess): 0: 00 0f add %cl,(%rdi) 2: 85 52 02 test %edx,0x2(%rdx) 5: 00 00 add %al,(%rax) 7: 4d 8b 7c 24 28 mov 0x28(%r12),%r15 c: e8 48 2c c6 ff callq 0xffc62c59 11: 48 8b 44 24 18 mov 0x18(%rsp),%rax 16: 80 38 00 cmpb $0x0,(%rax) 19: 0f 85 1c 02 00 00 jne 0x23b 1f: 48 8b 43 18 mov 0x18(%rbx),%rax 23: 48 89 c2 mov %rax,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) <-- trapping instruction 2f: 0f 85 ef 01 00 00 jne 0x224 35: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 3a: 48 8b 30 mov (%rax),%rsi 3d: 80 39 00 cmpb $0x0,(%rcx)