BUG: unable to handle kernel NULL pointer dereference at 0000000000000007
PGD 800000013ba05067 P4D 800000013ba05067 PUD 13ba08067 PMD 0
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 17202 Comm: syz-executor7 Not tainted 4.18.0-rc5+ #29
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tlb_flush_mmu_free mm/memory.c:259 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1401 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1438 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1467 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1488 [inline]
RIP: 0010:unmap_page_range+0x31c6/0x3c00 mm/memory.c:1509
Code: 8b a4 24 98 01 00 00 eb 13 90 66 2e 0f 1f 84 00 00 00 00 00 e8 5b 0e bb ff 49 89 dc 4d 8d 7c 24 08 4d 85 f6 0f 85 bd 00 00 00 <41> 8b 1f 4c 89 ff e8 9f b8 16 00 44 8b 28 8b 12 45 85 ed 74 0d 44
RSP: 0018:ffff8801039cf6d0 EFLAGS: 00010246
RAX: ffffffff81ad16a5 RBX: ffffffffffffffff RCX: ffff880128cf1d80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0009856200
RBP: ffff8801039cf930 R08: 0000000000480020 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffff
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
FS: 0000000001a6c940(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000007 CR3: 000000013bb62000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unmap_single_vma+0x445/0x5e0 mm/memory.c:1554
unmap_vmas+0x1f4/0x360 mm/memory.c:1584
exit_mmap+0x570/0xad0 mm/mmap.c:3100
__mmput+0x165/0x620 kernel/fork.c:971
mmput+0xbb/0x110 kernel/fork.c:992
exit_mm+0x6bb/0x7c0 kernel/exit.c:545
do_exit+0xc12/0x3930 kernel/exit.c:854
do_group_exit+0x1a0/0x360 kernel/exit.c:970
__do_sys_exit_group+0x21/0x30 kernel/exit.c:981
__se_sys_exit_group+0x14/0x20 kernel/exit.c:979
__x64_sys_exit_group+0x4c/0x50 kernel/exit.c:979
do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x455ab9
Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:0000000000a3ea98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000455ab9
RDX: 000000000040fb91 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000013 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000a3ea30 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000a3f160 R15: 00000000007034c0
Modules linked in:
Dumping ftrace buffer:
(ftrace buffer empty)
CR2: 0000000000000007
---[ end trace 95ac639415f9805f ]---
RIP: 0010:tlb_flush_mmu_free mm/memory.c:259 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1401 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1438 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1467 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1488 [inline]
RIP: 0010:unmap_page_range+0x31c6/0x3c00 mm/memory.c:1509
Code: 8b a4 24 98 01 00 00 eb 13 90 66 2e 0f 1f 84 00 00 00 00 00 e8 5b 0e bb ff 49 89 dc 4d 8d 7c 24 08 4d 85 f6 0f 85 bd 00 00 00 <41> 8b 1f 4c 89 ff e8 9f b8 16 00 44 8b 28 8b 12 45 85 ed 74 0d 44
RSP: 0018:ffff8801039cf6d0 EFLAGS: 00010246
RAX: ffffffff81ad16a5 RBX: ffffffffffffffff RCX: ffff880128cf1d80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0009856200
RBP: ffff8801039cf930 R08: 0000000000480020 R09: 0000000000000002
alg: No test for echainiv(ccm(aes-generic)) (echainiv(ccm_base(ctr(aes-generic),cbcmac(aes-generic))))
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffff
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
FS: 0000000001a6c940(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000007 CR3: 000000013bb62000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400