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kernel BUG at ./include/linux/pagemap.h:1437!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 20264 Comm: syz.1.4285 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__readahead_folio include/linux/pagemap.h:1437 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1463 [inline]
RIP: 0010:mpage_readahead+0x4ad/0x5a0 fs/mpage.c:367
Code: 5e 41 5f e9 55 fb 29 09 e8 90 09 6d ff 48 89 ef e8 b8 b9 aa ff e9 54 fe ff ff 4c 8b 6c 24 18 e9 43 ff ff ff e8 74 09 6d ff 90 <0f> 0b e8 6c 09 6d ff 48 c7 c6 80 66 a1 8b 48 89 ef e8 ad e6 b7 ff
RSP: 0018:ffffc900035872e0 EFLAGS: 00010246
RAX: 0000000000080000 RBX: ffffc90003587748 RCX: ffffc90026219000
RDX: 0000000000080000 RSI: ffffffff8251f5ec RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000004
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: fffff520006b0eed R14: 0000000000000001 R15: 1ffff920006b0eed
FS:  00007f5a5822d6c0(0000) GS:ffff8880d68f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004d067000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 read_pages+0x1c4/0xc70 mm/readahead.c:163
 page_cache_ra_unbounded+0x66c/0x9e0 mm/readahead.c:269
 do_page_cache_ra mm/readahead.c:332 [inline]
 page_cache_sync_ra+0xa88/0xbc0 mm/readahead.c:611
 do_sync_mmap_readahead mm/filemap.c:3329 [inline]
 filemap_fault+0x2384/0x29d0 mm/filemap.c:3549
 __do_fault+0x10d/0x490 mm/memory.c:5323
 do_shared_fault mm/memory.c:5822 [inline]
 do_fault+0x302/0x1ad0 mm/memory.c:5896
 do_pte_missing mm/memory.c:4404 [inline]
 handle_pte_fault mm/memory.c:6276 [inline]
 __handle_mm_fault+0x1919/0x2bb0 mm/memory.c:6414
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6583
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x54e/0x3590 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 faultin_page_range+0x338/0x940 mm/gup.c:1912
 madvise_populate mm/madvise.c:976 [inline]
 madvise_do_behavior+0x34c/0x530 mm/madvise.c:1935
 do_madvise+0x176/0x240 mm/madvise.c:2030
 __do_sys_madvise mm/madvise.c:2039 [inline]
 __se_sys_madvise mm/madvise.c:2037 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:2037
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a5738f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5a5822d038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f5a575e5fa0 RCX: 00007f5a5738f7c9
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007f5a57413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a575e6038 R14: 00007f5a575e5fa0 R15: 00007ffc8567d698
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1437 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1463 [inline]
RIP: 0010:mpage_readahead+0x4ad/0x5a0 fs/mpage.c:367
Code: 5e 41 5f e9 55 fb 29 09 e8 90 09 6d ff 48 89 ef e8 b8 b9 aa ff e9 54 fe ff ff 4c 8b 6c 24 18 e9 43 ff ff ff e8 74 09 6d ff 90 <0f> 0b e8 6c 09 6d ff 48 c7 c6 80 66 a1 8b 48 89 ef e8 ad e6 b7 ff
RSP: 0018:ffffc900035872e0 EFLAGS: 00010246
RAX: 0000000000080000 RBX: ffffc90003587748 RCX: ffffc90026219000
RDX: 0000000000080000 RSI: ffffffff8251f5ec RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000004
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: fffff520006b0eed R14: 0000000000000001 R15: 1ffff920006b0eed
FS:  00007f5a5822d6c0(0000) GS:ffff8880d68f1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004d067000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400