BUG: unable to handle page fault for address: ffff888000c9e7d0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10c01067 P4D 10c01067 PUD 10c02067 PMD 10e063 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2233 Comm: syz-executor.5 Not tainted 5.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline]
RIP: 0010:avc_last_pgoff mm/interval_tree.c:68 [inline]
RIP: 0010:__anon_vma_interval_tree_augment_compute_max mm/interval_tree.c:71 [inline]
RIP: 0010:__anon_vma_interval_tree_augment_propagate mm/interval_tree.c:71 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [inline]
RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline]
RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
RIP: 0010:__anon_vma_interval_tree_remove mm/interval_tree.c:71 [inline]
RIP: 0010:anon_vma_interval_tree_remove+0x5ec/0xf40 mm/interval_tree.c:88
Code: 28 00 0f 85 b0 06 00 00 4c 8b 63 e0 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 9d 06 00 00 49 8d 7c 24 08 <49> 8b 94 24 98 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 44
RSP: 0018:ffffc9001082f8e8 EFLAGS: 00010246
RAX: 1ffff11000193cfa RBX: ffff88802d4cc6b0 RCX: 0000000000000000
RDX: ffff8880a811d4c0 RSI: ffffffff81a6a955 RDI: ffff888000c9e740
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffff8880133f0117
R10: ffffffff81a6af26 R11: 0000000000000000 R12: ffff888000c9e738
R13: ffff8880ade463a0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffff888000c9e7d0 CR3: 000000007f926000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 unlink_anon_vmas+0x218/0x860 mm/rmap.c:402
 free_pgtables+0x1ab/0x2f0 mm/memory.c:427
 exit_mmap+0x2b7/0x590 mm/mmap.c:3209
 __mmput+0x122/0x470 kernel/fork.c:1096
 mmput+0x58/0x60 kernel/fork.c:1117
 exit_mm kernel/exit.c:502 [inline]
 do_exit+0xb0a/0x2a60 kernel/exit.c:813
 do_group_exit+0x125/0x310 kernel/exit.c:923
 get_signal+0x47f/0x2150 kernel/signal.c:2835
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x171/0x280 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 __do_fast_syscall_32+0x74/0xe0 arch/x86/entry/common.c:146
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:168
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f3e549
Code: Unable to access opcode bytes at RIP 0xf7f3e51f.
RSP: 002b:00000000f553868c EFLAGS: 00000246 ORIG_RAX: 00000000000000f0
RAX: 0000000000000001 RBX: 000000000819afcc RCX: 0000000000000081
RDX: 00000000000f4240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000080525a9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: ffff888000c9e7d0
---[ end trace ce67c7d3a9c4e40d ]---
RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline]
RIP: 0010:avc_last_pgoff mm/interval_tree.c:68 [inline]
RIP: 0010:__anon_vma_interval_tree_augment_compute_max mm/interval_tree.c:71 [inline]
RIP: 0010:__anon_vma_interval_tree_augment_propagate mm/interval_tree.c:71 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [inline]
RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline]
RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
RIP: 0010:__anon_vma_interval_tree_remove mm/interval_tree.c:71 [inline]
RIP: 0010:anon_vma_interval_tree_remove+0x5ec/0xf40 mm/interval_tree.c:88
Code: 28 00 0f 85 b0 06 00 00 4c 8b 63 e0 49 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 9d 06 00 00 49 8d 7c 24 08 <49> 8b 94 24 98 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 44
RSP: 0018:ffffc9001082f8e8 EFLAGS: 00010246
RAX: 1ffff11000193cfa RBX: ffff88802d4cc6b0 RCX: 0000000000000000
RDX: ffff8880a811d4c0 RSI: ffffffff81a6a955 RDI: ffff888000c9e740
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffff8880133f0117
R10: ffffffff81a6af26 R11: 0000000000000000 R12: ffff888000c9e738
R13: ffff8880ade463a0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffff888000c9e7d0 CR3: 000000007f926000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400