general protection fault, probably for non-canonical address 0xdffffc0004000078: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00000000200003c0-0x00000000200003c7]
CPU: 1 PID: 4306 Comm: syz-executor.4 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:ffff888042d7fc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff888042d7fd58 RCX: ffffc90005204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800eef9400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007ff39c522700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 000000001f062000 CR4: 0000000000350ee0
Call Trace:
vfs_readv+0xe5/0x160
do_readv+0x133/0x300
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7ff39efacb19
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:00007ff39c522188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007ff39f0bff60 RCX: 00007ff39efacb19
RDX: 0000000000000001 RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007ff39f006f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd72626fff R14: 00007ff39c522300 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:ffff888042d7fc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff888042d7fd58 RCX: ffffc90005204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800eef9400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007ff39c522700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 000000001f062000 CR4: 0000000000350ee0
general protection fault, probably for non-canonical address 0xdffffc0004000078: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00000000200003c0-0x00000000200003c7]
CPU: 0 PID: 4328 Comm: syz-executor.4 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_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:ffff8880439efc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff8880439efd58 RCX: ffffc9000640d000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800dfd9b80
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007ff39c4e0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff39c4e0718 CR3: 000000001f062000 CR4: 0000000000350ef0
Call Trace:
vfs_readv+0xe5/0x160
do_readv+0x133/0x300
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7ff39efacb19
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:00007ff39c4e0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007ff39f0c00e0 RCX: 00007ff39efacb19
RDX: 0000000000000001 RSI: 0000000020000740 RDI: 0000000000000003
RBP: 00007ff39f006f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd72626fff R14: 00007ff39c4e0300 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:ffff888042d7fc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff888042d7fd58 RCX: ffffc90005204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800eef9400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007ff39c4e0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff39c4e0718 CR3: 000000001f062000 CR4: 0000000000350ef0
loop0: detected capacity change from 0 to 40
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
loop0: detected capacity change from 0 to 40
Zero length message leads to an empty skb
loop0: detected capacity change from 0 to 40
loop5: detected capacity change from 0 to 16127
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
loop0: detected capacity change from 0 to 40
Unsupported ieee802154 address type: 0
Unsupported ieee802154 address type: 0
Unsupported ieee802154 address type: 0
Unsupported ieee802154 address type: 0
loop7: detected capacity change from 0 to 24
FAT-fs (loop7): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop7): Filesystem has been set read-only
loop2: detected capacity change from 0 to 24
loop7: detected capacity change from 0 to 24
FAT-fs (loop7): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop7): Filesystem has been set read-only
FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop2): Filesystem has been set read-only
loop7: detected capacity change from 0 to 24
general protection fault, probably for non-canonical address 0xdffffc0004000028: 0000 [#3] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000140-0x0000000020000147]
CPU: 0 PID: 4640 Comm: syz-executor.4 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_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:ffff8880432afc78 EFLAGS: 00010216
RAX: 0000000020000140 RBX: ffff8880432afd60 RCX: ffffc90005204000
RDX: 0000000004000028 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000ff6 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000ff6 R11: 0000000000000001 R12: ffff8880160c1680
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84921ce0
FS: 00007ff39c522700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001140 CR3: 0000000016220000 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: 0033:0x7ff39efacb19
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:00007ff39c522188 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007ff39f0bff60 RCX: 00007ff39efacb19
RDX: 0000000000000001 RSI: 0000000020001140 RDI: 0000000000000003
RBP: 00007ff39f006f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd72626fff R14: 00007ff39c522300 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:ffff888042d7fc70 EFLAGS: 00010216
RAX: 00000000200003c0 RBX: ffff888042d7fd58 RCX: ffffc90005204000
RDX: 0000000004000078 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 00000000000000fa R08: 0000000000000007 R09: 0000000000000000
R10: 00000000000000fa R11: 0000000000000001 R12: ffff88800eef9400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8490fe60
FS: 00007ff39c522700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001140 CR3: 0000000016220000 CR4: 0000000000350ef0
loop2: detected capacity change from 0 to 24
FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop2): Filesystem has been set read-only
FAT-fs (loop7): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop7): Filesystem has been set read-only
loop2: detected capacity change from 0 to 24
FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 0)
loop7: detected capacity change from 0 to 24
FAT-fs (loop2): Filesystem has been set read-only
FAT-fs (loop7): error, fat_get_cluster: invalid cluster chain (i_pos 0)
FAT-fs (loop7): Filesystem has been set read-only
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 20 00
I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 16 prio class 2
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
loop3: detected capacity change from 0 to 512
EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir849882826/syzkaller.6S21Ml/44/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.
program syz-executor.6 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.6 is using a deprecated SCSI ioctl, please convert it to SG_IO
hugetlbfs: Bad value 'm' for mount option 'size'
hugetlbfs: Bad value 'm' for mount option 'size'
audit: type=1400 audit(1679920389.024:10): avc: denied { block_suspend } for pid=4870 comm="syz-executor.4" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
----------------
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)