------------[ cut here ]------------
WARNING: CPU: 0 PID: 31348 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290
Modules linked in:
CPU: 0 PID: 31348 Comm: syz-executor.5 Not tainted 5.18.0-rc6-next-20220511 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:untrack_pfn+0x247/0x290
Code: 84 6c ff ff ff e8 99 19 31 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 89 19 31 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 79 19 31 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 fa 20 64 00 e9 98 fe ff ff e8 00
RSP: 0018:ffff88804f3ef728 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888047c2d0d0 RCX: 0000000000000000
RDX: ffff888046d68000 RSI: ffffffff81134917 RDI: 0000000000000003
RBP: 1ffff11009e7dee5 R08: 0000000000000000 R09: 000000000000000e
R10: ffffffff811347e6 R11: 0000000000000001 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888047c2d0f0
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000fdba000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
unmap_single_vma+0x1b4/0x350
unmap_vmas+0x21e/0x370
exit_mmap+0x1b5/0x690
mmput+0xd1/0x390
do_exit+0xa10/0x27f0
do_group_exit+0xd2/0x2f0
get_signal+0x2303/0x2350
arch_do_signal_or_restart+0x88/0x1a40
exit_to_user_mode_prepare+0x131/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f6a1e83ab19
Code: Unable to access opcode bytes at RIP 0x7f6a1e83aaef.
RSP: 002b:00007fff6dccea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000032 RCX: 00007f6a1e83ab19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6a1e94df6c
RBP: 00007f6a1e94df6c R08: 00007fff6dddc080 R09: 0000000000000000
R10: 00007fff6dcceb20 R11: 0000000000000246 R12: 00000000003342e1
R13: 00000000000003e8 R14: 00007f6a1e94df60 R15: 00000000003342cf
irq event stamp: 3815
hardirqs last enabled at (3827): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (3838): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (3118): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (2983): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 31348 Comm: syz-executor.5 Tainted: G W 5.18.0-rc6-next-20220511 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:__rb_erase_color+0x155/0xe80
Code: 89 ee 48 89 c5 e9 f6 fe ff ff 4c 8d 45 10 4c 89 c0 48 c1 e8 03 80 3c 18 00 0f 85 67 08 00 00 4c 8b 65 10 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 0f 85 97 08 00 00 49 8d 7c 24 08 49 8b 04 24 48 89 f9
RSP: 0018:ffff88804f3ef7a0 EFLAGS: 00010256
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffffffff81654f00 RSI: ffff88804850dc90 RDI: ffff888047c2d848
RBP: ffff888047c2d848 R08: ffff888047c2d858 R09: ffff88804850dc8f
R10: ffffffff81656118 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed10090a1b92 R14: 0000000000000000 R15: ffff88804850dc90
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004f236000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
vma_interval_tree_remove+0x694/0xec0
unlink_file_vma+0xbd/0x110
free_pgtables+0x255/0x420
exit_mmap+0x1c8/0x690
mmput+0xd1/0x390
do_exit+0xa10/0x27f0
do_group_exit+0xd2/0x2f0
get_signal+0x2303/0x2350
arch_do_signal_or_restart+0x88/0x1a40
exit_to_user_mode_prepare+0x131/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f6a1e83ab19
Code: Unable to access opcode bytes at RIP 0x7f6a1e83aaef.
RSP: 002b:00007fff6dccea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000032 RCX: 00007f6a1e83ab19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6a1e94df6c
RBP: 00007f6a1e94df6c R08: 00007fff6dddc080 R09: 0000000000000000
R10: 00007fff6dcceb20 R11: 0000000000000246 R12: 00000000003342e1
R13: 00000000000003e8 R14: 00007f6a1e94df60 R15: 00000000003342cf
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rb_erase_color+0x155/0xe80
Code: 89 ee 48 89 c5 e9 f6 fe ff ff 4c 8d 45 10 4c 89 c0 48 c1 e8 03 80 3c 18 00 0f 85 67 08 00 00 4c 8b 65 10 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 0f 85 97 08 00 00 49 8d 7c 24 08 49 8b 04 24 48 89 f9
RSP: 0018:ffff88804f3ef7a0 EFLAGS: 00010256
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffffffff81654f00 RSI: ffff88804850dc90 RDI: ffff888047c2d848
RBP: ffff888047c2d848 R08: ffff888047c2d858 R09: ffff88804850dc8f
R10: ffffffff81656118 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed10090a1b92 R14: 0000000000000000 R15: ffff88804850dc90
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004f236000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Fixing recursive fault but reboot is needed!
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.5/31348
caller is __schedule+0x7f/0x2460
CPU: 0 PID: 31348 Comm: syz-executor.5 Tainted: G D W 5.18.0-rc6-next-20220511 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
check_preemption_disabled+0x16b/0x170
__schedule+0x7f/0x2460
do_task_dead+0xd1/0x100
make_task_dead.cold+0xb9/0x1c9
rewind_stack_and_make_dead+0x17/0x17
RIP: 0033:0x7f6a1e83ab19
Code: Unable to access opcode bytes at RIP 0x7f6a1e83aaef.
RSP: 002b:00007fff6dccea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000032 RCX: 00007f6a1e83ab19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6a1e94df6c
RBP: 00007f6a1e94df6c R08: 00007fff6dddc080 R09: 0000000000000000
R10: 00007fff6dcceb20 R11: 0000000000000246 R12: 00000000003342e1
R13: 00000000000003e8 R14: 00007f6a1e94df60 R15: 00000000003342cf
BUG: scheduling while atomic: syz-executor.5/31348/0x00000000
INFO: lockdep is turned off.
Modules linked in:
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 31348 Comm: syz-executor.5 Tainted: G D W 5.18.0-rc6-next-20220511 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
__schedule_bug.cold+0x133/0x143
__schedule+0x18e7/0x2460
do_task_dead+0xd1/0x100
make_task_dead.cold+0xb9/0x1c9
rewind_stack_and_make_dead+0x17/0x17
RIP: 0033:0x7f6a1e83ab19
Code: Unable to access opcode bytes at RIP 0x7f6a1e83aaef.
RSP: 002b:00007fff6dccea48 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000000032 RCX: 00007f6a1e83ab19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6a1e94df6c
RBP: 00007f6a1e94df6c R08: 00007fff6dddc080 R09: 0000000000000000
R10: 00007fff6dcceb20 R11: 0000000000000246 R12: 00000000003342e1
R13: 00000000000003e8 R14: 00007f6a1e94df60 R15: 00000000003342cf
----------------
Code disassembly (best guess):
0: 89 ee mov %ebp,%esi
2: 48 89 c5 mov %rax,%rbp
5: e9 f6 fe ff ff jmpq 0xffffff00
a: 4c 8d 45 10 lea 0x10(%rbp),%r8
e: 4c 89 c0 mov %r8,%rax
11: 48 c1 e8 03 shr $0x3,%rax
15: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
19: 0f 85 67 08 00 00 jne 0x886
1f: 4c 8b 65 10 mov 0x10(%rbp),%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction
2e: 0f 85 97 08 00 00 jne 0x8cb
34: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
39: 49 8b 04 24 mov (%r12),%rax
3d: 48 89 f9 mov %rdi,%rcx