general protection fault, probably for non-canonical address 0xdffffc0004000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000000-0x0000000020000007]
CPU: 1 PID: 5372 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:ffff8880141afc70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff8880141afd58 RCX: ffffc90004027000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff8880162bef00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fe5582af700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd52f94000 CR3: 00000000413ec000 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: 0033:0x7fe55ad39b19
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:00007fe5582af188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007fe55ae4cf60 RCX: 00007fe55ad39b19
RDX: 0000000000000001 RSI: 0000000020000580 RDI: 0000000000000004
RBP: 00007fe55ad93f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc55a36b3f R14: 00007fe5582af300 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:ffff8880141afc70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff8880141afd58 RCX: ffffc90004027000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff8880162bef00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fe5582af700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd52f94000 CR3: 00000000413ec000 CR4: 0000000000350ee0
general protection fault, probably for non-canonical address 0xdffffc0004000000: 0000 [#2] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000000-0x0000000020000007]
CPU: 0 PID: 5389 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:ffff888043c97c70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff888043c97d58 RCX: ffffc90006238000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff888018e16280
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fe55826d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe55826d718 CR3: 00000000413ec000 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: 0033:0x7fe55ad39b19
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:00007fe55826d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007fe55ae4d0e0 RCX: 00007fe55ad39b19
RDX: 0000000000000001 RSI: 0000000020000580 RDI: 0000000000000004
RBP: 00007fe55ad93f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc55a36b3f R14: 00007fe55826d300 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:ffff8880141afc70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff8880141afd58 RCX: ffffc90004027000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff8880162bef00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fe55826d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe55826d718 CR3: 00000000413ec000 CR4: 0000000000350ef0
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
process 'syz-executor.1' launched './file1' with NULL argv: empty string added
loop7: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 264192
lo: entered promiscuous mode
lo: entered allmulticast mode
loop7: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 264192
general protection fault, probably for non-canonical address 0xdffffc0004000020: 0000 [#3] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000100-0x0000000020000107]
CPU: 1 PID: 5574 Comm: syz-executor.3 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:ffff888043f4fc70 EFLAGS: 00010212
RAX: 0000000020000100 RBX: ffff888043f4fd60 RCX: ffffc90001e16000
RDX: 0000000004000020 RSI: ffffffff8185830e RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800ec9c780
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff849233e0
FS: 00007fcd503fa700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001480 CR3: 000000000e02a000 CR4: 0000000000350ee0
Call Trace:
vfs_writev+0x1ae/0x660
__x64_sys_pwritev+0x233/0x310
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fcd52e84b19
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:00007fcd503fa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 00007fcd52f97f60 RCX: 00007fcd52e84b19
RDX: 0000000000000001 RSI: 0000000020001480 RDI: 0000000000000003
RBP: 00007fcd52edef6d R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000007d R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed3432eaf R14: 00007fcd503fa300 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:ffff8880141afc70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff8880141afd58 RCX: ffffc90004027000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff8880162bef00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fcd503fa700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001480 CR3: 000000000e02a000 CR4: 0000000000350ee0
loop7: detected capacity change from 0 to 264192
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
loop2: detected capacity change from 0 to 64
FAT-fs (loop2): Invalid FSINFO signature: 0x41615252, 0x00000000 (sector = 1)
FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop2): Filesystem has been set read-only
loop2: detected capacity change from 0 to 64
FAT-fs (loop2): Invalid FSINFO signature: 0x41615252, 0x00000000 (sector = 1)
FAT-fs (loop2): error, fat_get_cluster: invalid cluster chain (i_pos 1)
FAT-fs (loop2): Filesystem has been set read-only
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'.
semctl(GETNCNT/GETZCNT) is since 3.16 Single Unix Specification compliant.
The task syz-executor.1 (5687) triggered the difference, watch for misbehavior.
netlink: 228 bytes leftover after parsing attributes in process `syz-executor.3'.
program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO
general protection fault, probably for non-canonical address 0xdffffc0004000020: 0000 [#4] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000020000100-0x0000000020000107]
CPU: 0 PID: 5760 Comm: syz-executor.0 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:ffff888043587c70 EFLAGS: 00010212
RAX: 0000000020000100 RBX: ffff888043587d60 RCX: ffffc9000080b000
RDX: 0000000004000020 RSI: ffffffff8185830e RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800fca2a00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84923520
FS: 00007fb7f4d5b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555735cc98 CR3: 000000001f570000 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: 0033:0x7fb7f77e5b19
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:00007fb7f4d5b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 00007fb7f78f8f60 RCX: 00007fb7f77e5b19
RDX: 0000000000000001 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 00007fb7f783ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff47da5b3f R14: 00007fb7f4d5b300 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:ffff8880141afc70 EFLAGS: 00010216
RAX: 0000000020000000 RBX: ffff8880141afd58 RCX: ffffc90004027000
RDX: 0000000004000000 RSI: ffffffff81855c98 RDI: 0000000000000007
RBP: 0000000000000016 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000016 R11: 0000000000000001 R12: ffff8880162bef00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff84910f40
FS: 00007fb7f4d5b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555735cc98 CR3: 000000001f570000 CR4: 0000000000350ef0
----------------
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)