Free swap = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
101371 pages reserved
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 800000012a279067 P4D 800000012a279067 PUD 12a27c067 PMD 0
Oops: 0002 [#1] SMP PTI
CPU: 1 PID: 8243 Comm: syz-executor3 Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_vmap+0xd8/0x1e0 mm/kmsan/kmsan_hooks.c:177
Code: 48 8b 5d b8 74 2f 89 c6 31 c0 0f 1f 84 00 00 00 00 00 48 98 49 8b 0c c4 80 79 50 00 74 6f 48 8b 51 40 49 89 14 c7 48 8b 49 48 <49> 89 0c c6 83 c0 01 39 f0 72 dd 48 c7 45 b0 00 00 00 00 9c 8f 45
RSP: 0018:ffff88012a51f4c0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8801c6017780 RCX: ffffea0002ca4bc0
RDX: ffffea0002ca4b60 RSI: 0000000000024001 RDI: ffffea00003a7e20
RBP: ffff88012a51f520 R08: 0000000000480020 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff85031d70 R12: ffffc9007db94000
R13: ffff8801c6017ea0 R14: 0000000000000000 R15: ffff88000c800000
FS: 00007fd7024b2700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000012a284000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
vmap+0x3b2/0x540 mm/vmalloc.c:1648
relay_alloc_buf kernel/relay.c:141 [inline]
relay_create_buf kernel/relay.c:177 [inline]
relay_open_buf+0x742/0x1730 kernel/relay.c:450
relay_open+0x9ee/0x1260 kernel/relay.c:597
do_blk_trace_setup+0x945/0x1360 kernel/trace/blktrace.c:544
__blk_trace_setup+0x1c8/0x320 kernel/trace/blktrace.c:589
blk_trace_ioctl+0x267/0x950 kernel/trace/blktrace.c:728
blkdev_ioctl+0x1d40/0x55c0 block/ioctl.c:587
block_ioctl+0x16f/0x1d0 fs/block_dev.c:1881
vfs_ioctl fs/ioctl.c:46 [inline]
do_vfs_ioctl+0xc77/0x2670 fs/ioctl.c:686
ksys_ioctl fs/ioctl.c:701 [inline]
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x280/0x320 fs/ioctl.c:706
do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457089
Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd7024b1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd7024b26d4 RCX: 0000000000457089
RDX: 00000000200007c0 RSI: 00000000c0481273 RDI: 0000000000000004
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cd5c0 R14: 00000000004c3ff9 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
(ftrace buffer empty)
CR2: 0000000000000000
---[ end trace c29636f87b4df266 ]---
RIP: 0010:kmsan_vmap+0xd8/0x1e0 mm/kmsan/kmsan_hooks.c:177
Code: 48 8b 5d b8 74 2f 89 c6 31 c0 0f 1f 84 00 00 00 00 00 48 98 49 8b 0c c4 80 79 50 00 74 6f 48 8b 51 40 49 89 14 c7 48 8b 49 48 <49> 89 0c c6 83 c0 01 39 f0 72 dd 48 c7 45 b0 00 00 00 00 9c 8f 45
RSP: 0018:ffff88012a51f4c0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8801c6017780 RCX: ffffea0002ca4bc0
RDX: ffffea0002ca4b60 RSI: 0000000000024001 RDI: ffffea00003a7e20
RBP: ffff88012a51f520 R08: 0000000000480020 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff85031d70 R12: ffffc9007db94000
R13: ffff8801c6017ea0 R14: 0000000000000000 R15: ffff88000c800000
FS: 00007fd7024b2700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000012a284000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600