blkno = 8ed2c, nblocks = 1 ERROR: (device loop0): dbUpdatePMap: blocks are outside the map ERROR: (device loop0): remounting filesystem as read-only BUG: Bad page state in process jfsCommit pfn:73f64 page:ffffea0001cfd900 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x73f64 flags: 0xfff00000002005(locked|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002005 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff888073f633e0 00000000ffffffff 0000000000000000 page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5019, ts 111134452760, free_ts 110170092079 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501 __page_cache_alloc+0xce/0x440 mm/filemap.c:1022 do_read_cache_page+0x1d4/0x1010 mm/filemap.c:3457 read_mapping_page include/linux/pagemap.h:515 [inline] __get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621 diRead+0x6e6/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x89/0x3f0 fs/jfs/inode.c:35 jfs_lookup+0x21d/0x420 fs/jfs/namei.c:1469 __lookup_slow+0x29d/0x410 fs/namei.c:1671 lookup_slow+0x53/0x70 fs/namei.c:1688 walk_component+0x314/0x460 fs/namei.c:1984 lookup_last fs/namei.c:2439 [inline] path_lookupat+0x148/0x420 fs/namei.c:2463 filename_lookup+0x21e/0x550 fs/namei.c:2492 user_path_at_empty+0x40/0x190 fs/namei.c:2891 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0xb3/0x290 fs/xattr.c:625 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396 free_slab mm/slub.c:2020 [inline] discard_slab mm/slub.c:2026 [inline] __unfreeze_partials+0x188/0x1e0 mm/slub.c:2512 put_cpu_partial+0x12d/0x190 mm/slub.c:2592 qlist_free_all+0x35/0x90 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x150/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3225 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc_trace+0x165/0x290 mm/slub.c:3250 kmalloc include/linux/slab.h:607 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:643 [inline] netdevice_event+0x3ad/0x930 drivers/infiniband/core/roce_gid_mgmt.c:802 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391 call_netdevice_notifiers_extack net/core/dev.c:2074 [inline] call_netdevice_notifiers net/core/dev.c:2088 [inline] unregister_netdevice_many+0x109b/0x1a40 net/core/dev.c:11160 default_device_exit_batch+0x364/0x3c0 net/core/dev.c:11693 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x78e/0xba0 net/core/net_namespace.c:635 process_one_work+0x867/0xff0 kernel/workqueue.c:2310 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457 Modules linked in: CPU: 1 PID: 276 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 bad_page+0x14b/0x170 mm/page_alloc.c:652 check_free_page mm/page_alloc.c:1209 [inline] free_pages_prepare mm/page_alloc.c:1334 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x383/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396 txUnlock+0x275/0xcb0 fs/jfs/jfs_txnmgr.c:933 txLazyCommit fs/jfs/jfs_txnmgr.c:2717 [inline] jfs_lazycommit+0x598/0xb60 fs/jfs/jfs_txnmgr.c:2767 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 page:ffffea0001cfd900 refcount:0 mapcount:0 mapping:0000000000000000 index:0x24 pfn:0x73f64 flags: 0xfff00000002005(locked|uptodate|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000002005 dead000000000100 dead000000000122 0000000000000000 raw: 0000000000000024 ffff888073f633e0 00000000ffffffff 0000000000000000 page dumped because: VM_BUG_ON_PAGE(((unsigned int) page_ref_count(page) + 127u <= 127u)) page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 5019, ts 111134452760, free_ts 110170092079 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501 __page_cache_alloc+0xce/0x440 mm/filemap.c:1022 do_read_cache_page+0x1d4/0x1010 mm/filemap.c:3457 read_mapping_page include/linux/pagemap.h:515 [inline] __get_metapage+0x35d/0x1060 fs/jfs/jfs_metapage.c:621 diRead+0x6e6/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x89/0x3f0 fs/jfs/inode.c:35 jfs_lookup+0x21d/0x420 fs/jfs/namei.c:1469 __lookup_slow+0x29d/0x410 fs/namei.c:1671 lookup_slow+0x53/0x70 fs/namei.c:1688 walk_component+0x314/0x460 fs/namei.c:1984 lookup_last fs/namei.c:2439 [inline] path_lookupat+0x148/0x420 fs/namei.c:2463 filename_lookup+0x21e/0x550 fs/namei.c:2492 user_path_at_empty+0x40/0x190 fs/namei.c:2891 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0xb3/0x290 fs/xattr.c:625 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396 free_slab mm/slub.c:2020 [inline] discard_slab mm/slub.c:2026 [inline] __unfreeze_partials+0x188/0x1e0 mm/slub.c:2512 put_cpu_partial+0x12d/0x190 mm/slub.c:2592 qlist_free_all+0x35/0x90 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x150/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3225 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc_trace+0x165/0x290 mm/slub.c:3250 kmalloc include/linux/slab.h:607 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:643 [inline] netdevice_event+0x3ad/0x930 drivers/infiniband/core/roce_gid_mgmt.c:802 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391 call_netdevice_notifiers_extack net/core/dev.c:2074 [inline] call_netdevice_notifiers net/core/dev.c:2088 [inline] unregister_netdevice_many+0x109b/0x1a40 net/core/dev.c:11160 default_device_exit_batch+0x364/0x3c0 net/core/dev.c:11693 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x78e/0xba0 net/core/net_namespace.c:635 process_one_work+0x867/0xff0 kernel/workqueue.c:2310 worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:1224! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 276 Comm: jfsCommit Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:get_page include/linux/mm.h:1224 [inline] RIP: 0010:put_metapage+0x26d/0x270 fs/jfs/jfs_metapage.c:722 Code: 38 c1 0f 8c ff fe ff ff 4c 89 ef e8 fd c7 ec fe e9 f2 fe ff ff e8 43 a5 a7 fe 48 8b 3c 24 48 c7 c6 20 3a 62 8a e8 43 8a da fe <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 49 89 fe 49 bc RSP: 0018:ffffc90002d0fcf0 EFLAGS: 00010246 RAX: 1889d1ef73672300 RBX: ffff888073f633e0 RCX: 0000000000000000 RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff520005a1f90 RBP: 000000000000007f R08: ffff8880b9033d7f R09: fffff520005a1f4c R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888073f63408 R13: ffffea0001cfd934 R14: 1ffff1100e7ec681 R15: 1ffff1100e7ec68e FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000019c2a952f000 CR3: 000000002aef6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txUnlock+0x426/0xcb0 fs/jfs/jfs_txnmgr.c:948 txLazyCommit fs/jfs/jfs_txnmgr.c:2717 [inline] jfs_lazycommit+0x598/0xb60 fs/jfs/jfs_txnmgr.c:2767 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 2819a93bcba32360 ]--- RIP: 0010:get_page include/linux/mm.h:1224 [inline] RIP: 0010:put_metapage+0x26d/0x270 fs/jfs/jfs_metapage.c:722 Code: 38 c1 0f 8c ff fe ff ff 4c 89 ef e8 fd c7 ec fe e9 f2 fe ff ff e8 43 a5 a7 fe 48 8b 3c 24 48 c7 c6 20 3a 62 8a e8 43 8a da fe <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 49 89 fe 49 bc RSP: 0018:ffffc90002d0fcf0 EFLAGS: 00010246 RAX: 1889d1ef73672300 RBX: ffff888073f633e0 RCX: 0000000000000000 RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff520005a1f90 RBP: 000000000000007f R08: ffff8880b9033d7f R09: fffff520005a1f4c R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888073f63408 R13: ffffea0001cfd934 R14: 1ffff1100e7ec681 R15: 1ffff1100e7ec68e FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000019c2a952f000 CR3: 000000007e20e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400