------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5981 Comm: syz.3.257 Not tainted 6.14.0-rc4-syzkaller-00212-g276f98efb64a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28 Code: 4b ba 00 e9 3d ff ff ff e8 73 12 53 00 48 c7 c7 e0 bb 9a 8e 4c 89 f6 4c 89 fa e8 f1 4b bf 03 e9 45 ff ff ff e8 57 12 53 00 90 <0f> 0b e8 4f 12 53 00 90 0f 0b e8 47 12 53 00 90 0f 0b 0f 1f 40 00 RSP: 0018:ffffc9000cd1dcc0 EFLAGS: 00010293 RAX: ffffffff816eace9 RBX: 8d79f299e5c493bf RCX: ffff88800077c880 RDX: 0000000000000000 RSI: 8d79f299e5c493bf RDI: 8d7a6a1965c493bf RBP: 0000000000000000 R08: ffffffff816eabdb R09: 1ffffffff28a930e R10: dffffc0000000000 R11: fffffbfff28a930f R12: 8d79f29965c493bf R13: ffffea0000000000 R14: 8d7a6a1965c493bf R15: 0000000000000000 FS: 000055556f0cd500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe811fff000 CR3: 0000000059b8c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_folio include/linux/mm.h:1295 [inline] virt_to_slab mm/slab.h:211 [inline] qlink_to_cache mm/kasan/quarantine.c:131 [inline] qlist_free_all+0x3d/0x140 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4115 [inline] slab_alloc_node mm/slub.c:4164 [inline] kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4216 zswap_entry_cache_alloc mm/zswap.c:788 [inline] zswap_store_page mm/zswap.c:1456 [inline] zswap_store+0xa08/0x1c20 mm/zswap.c:1571 swap_writepage+0x647/0xce0 mm/page_io.c:278 pageout mm/vmscan.c:696 [inline] shrink_folio_list+0x35c2/0x5ac0 mm/vmscan.c:1402 evict_folios+0x45fd/0x56a0 mm/vmscan.c:4660 try_to_shrink_lruvec+0x713/0x9b0 mm/vmscan.c:4821 shrink_one+0x3b9/0x850 mm/vmscan.c:4866 shrink_many mm/vmscan.c:4929 [inline] lru_gen_shrink_node mm/vmscan.c:5007 [inline] shrink_node+0x379b/0x3e20 mm/vmscan.c:5978 shrink_zones mm/vmscan.c:6237 [inline] do_try_to_free_pages+0x78c/0x1cf0 mm/vmscan.c:6299 try_to_free_pages+0x47c/0x1050 mm/vmscan.c:6549 __perform_reclaim mm/page_alloc.c:3929 [inline] __alloc_pages_direct_reclaim+0x178/0x3c0 mm/page_alloc.c:3951 __alloc_pages_slowpath+0x811/0x10b0 mm/page_alloc.c:4382 __alloc_frozen_pages_noprof+0x49b/0x710 mm/page_alloc.c:4752 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 folio_alloc_mpol_noprof+0x36/0x70 mm/mempolicy.c:2289 shmem_alloc_folio mm/shmem.c:1863 [inline] shmem_alloc_and_add_folio+0x4a0/0x1090 mm/shmem.c:1902 shmem_get_folio_gfp+0x621/0x1840 mm/shmem.c:2522 shmem_get_folio mm/shmem.c:2628 [inline] shmem_write_begin+0x165/0x350 mm/shmem.c:3278 generic_perform_write+0x346/0x990 mm/filemap.c:4189 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3454 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f50ef38bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007ffc7c597650 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f50ef38bc1f RDX: 0000000001000000 RSI: 00007f50e6000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000590c R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003 R13: 00007ffc7c597750 R14: 00007ffc7c597710 R15: 00007f50e6000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28 Code: 4b ba 00 e9 3d ff ff ff e8 73 12 53 00 48 c7 c7 e0 bb 9a 8e 4c 89 f6 4c 89 fa e8 f1 4b bf 03 e9 45 ff ff ff e8 57 12 53 00 90 <0f> 0b e8 4f 12 53 00 90 0f 0b e8 47 12 53 00 90 0f 0b 0f 1f 40 00 RSP: 0018:ffffc9000cd1dcc0 EFLAGS: 00010293 RAX: ffffffff816eace9 RBX: 8d79f299e5c493bf RCX: ffff88800077c880 RDX: 0000000000000000 RSI: 8d79f299e5c493bf RDI: 8d7a6a1965c493bf RBP: 0000000000000000 R08: ffffffff816eabdb R09: 1ffffffff28a930e R10: dffffc0000000000 R11: fffffbfff28a930f R12: 8d79f29965c493bf R13: ffffea0000000000 R14: 8d7a6a1965c493bf R15: 0000000000000000 FS: 000055556f0cd500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe811fff000 CR3: 0000000059b8c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400