BUG: unable to handle page fault for address: fffff520001ff006
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 21ffee067 P4D 21ffee067 PUD aa1e5067 PMD aa1e7067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-8:0)
RIP: 0010:__bpf_trace_run kernel/trace/bpf_trace.c:2045 [inline]
RIP: 0010:bpf_trace_run1+0x113/0x3c0 kernel/trace/bpf_trace.c:2081
Code: c7 c7 20 44 b1 88 e8 cc 3f d2 ff 0f 1f 44 00 00 e8 62 09 f7 ff 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 02 00 00 48 8d 73 38 48 8d 7c 24 28 ff 53 30
RSP: 0000:ffffc90000cdef80 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffc90000ff8000 RCX: dffffc0000000000
RDX: 1ffff920001ff006 RSI: ffffffff817e2c7e RDI: ffffc90000ff8030
RBP: 1ffff9200019bdf1 R08: 0000000000000000 R09: ffffffff8d7149a7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffc90000cdfae8 R14: 1ffff9200019be1d R15: ffff88809fad02a8
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff520001ff006 CR3: 000000005fc0d000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 __bpf_trace_block_plug+0x8b/0xc0 block/blk-core.c:712
 trace_block_plug+0x138/0x280 include/trace/events/block.h:470
 blk_mq_submit_bio+0xcf2/0x1770 block/blk-mq.c:2219
 __submit_bio_noacct_mq block/blk-core.c:1022 [inline]
 submit_bio_noacct+0xa27/0xe30 block/blk-core.c:1055
 submit_bio+0x263/0x5b0 block/blk-core.c:1125
 ext4_io_submit+0x181/0x210 fs/ext4/page-io.c:382
 ext4_writepages+0x922/0x37f0 fs/ext4/inode.c:2739
 do_writepages+0xec/0x290 mm/page-writeback.c:2352
 __writeback_single_inode+0x122/0x1180 fs/fs-writeback.c:1461
 writeback_sb_inodes+0x53d/0xef0 fs/fs-writeback.c:1721
 wb_writeback+0x2a7/0xc40 fs/fs-writeback.c:1894
 wb_do_writeback fs/fs-writeback.c:2039 [inline]
 wb_workfn+0x2e8/0x12d0 fs/fs-writeback.c:2080
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
CR2: fffff520001ff006
---[ end trace 76eae9ad9a513b97 ]---
RIP: 0010:__bpf_trace_run kernel/trace/bpf_trace.c:2045 [inline]
RIP: 0010:bpf_trace_run1+0x113/0x3c0 kernel/trace/bpf_trace.c:2081
Code: c7 c7 20 44 b1 88 e8 cc 3f d2 ff 0f 1f 44 00 00 e8 62 09 f7 ff 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 02 00 00 48 8d 73 38 48 8d 7c 24 28 ff 53 30
RSP: 0000:ffffc90000cdef80 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffc90000ff8000 RCX: dffffc0000000000
RDX: 1ffff920001ff006 RSI: ffffffff817e2c7e RDI: ffffc90000ff8030
RBP: 1ffff9200019bdf1 R08: 0000000000000000 R09: ffffffff8d7149a7
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffffc90000cdfae8 R14: 1ffff9200019be1d R15: ffff88809fad02a8
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffff520001ff006 CR3: 000000005fc0d000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600