REISERFS (device loop5): journal params: device ram0, size 127, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
REISERFS (device loop5): checking transaction log (ram0)
==================================================================
BUG: KASAN: use-after-free in init_inode fs/reiserfs/inode.c:1314 [inline]
BUG: KASAN: use-after-free in reiserfs_read_locked_inode+0x20ec/0x2170 fs/reiserfs/inode.c:1560
Read of size 4 at addr ffff888059bb0000 by task syz.5.186/6940

CPU: 0 UID: 0 PID: 6940 Comm: syz.5.186 Not tainted 6.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 init_inode fs/reiserfs/inode.c:1314 [inline]
 reiserfs_read_locked_inode+0x20ec/0x2170 fs/reiserfs/inode.c:1560
 reiserfs_fill_super+0x135e/0x31a0 fs/reiserfs/super.c:2070
 mount_bdev+0x1e6/0x2d0 fs/super.c:1679
 legacy_get_tree+0x10c/0x220 fs/fs_context.c:662
 vfs_get_tree+0x92/0x380 fs/super.c:1800
 do_new_mount fs/namespace.c:3507 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount fs/namespace.c:4032 [inline]
 __x64_sys_mount+0x294/0x320 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc25ed7f79a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fc25fc20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc25fc20ef0 RCX: 00007fc25ed7f79a
RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007fc25fc20eb0
RBP: 0000000020001100 R08: 00007fc25fc20ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020001140
R13: 00007fc25fc20eb0 R14: 00000000000010e8 R15: 0000000020001180
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x941 pfn:0x59bb0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f0(buddy)
raw: 00fff00000000000 ffffea00012d0808 ffffea00012eb808 0000000000000000
raw: 0000000000000941 0000000000000003 00000000f0000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6923, tgid 6922 (syz.5.133), ts 432622563106, free_ts 433481274637
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 folio_alloc_mpol_noprof+0x36/0xd0 mm/mempolicy.c:2283
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1769
 shmem_alloc_and_add_folio+0x48b/0xc00 mm/shmem.c:1808
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2330
 shmem_fault+0x200/0xae0 mm/shmem.c:2531
 __do_fault+0x10d/0x490 mm/memory.c:4871
 do_read_fault mm/memory.c:5286 [inline]
 do_fault mm/memory.c:5420 [inline]
 do_pte_missing+0xea8/0x3e50 mm/memory.c:3965
 handle_pte_fault mm/memory.c:5755 [inline]
 __handle_mm_fault+0x100a/0x2a10 mm/memory.c:5898
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6066
 faultin_page mm/gup.c:1187 [inline]
 __get_user_pages+0x90f/0x3b90 mm/gup.c:1485
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
 __mm_populate+0x1d6/0x380 mm/gup.c:2026
page last free pid 6924 tgid 6922 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0x956/0x1310 mm/page_alloc.c:2686
 folios_put_refs+0x551/0x750 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x586/0x1170 mm/shmem.c:1032
 shmem_truncate_range mm/shmem.c:1144 [inline]
 shmem_evict_inode+0x3a3/0xba0 mm/shmem.c:1272
 evict+0x40c/0x970 fs/inode.c:725
 iput_final fs/inode.c:1877 [inline]
 iput fs/inode.c:1903 [inline]
 iput+0x530/0x890 fs/inode.c:1889
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:412
 __dentry_kill+0x1d0/0x600 fs/dcache.c:615
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:857
 dput+0x1f/0x30 fs/dcache.c:847
 __fput+0x513/0xb60 fs/file_table.c:439
 task_work_run+0x151/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xadd/0x2d70 kernel/exit.c:939
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337

Memory state around the buggy address:
 ffff888059baff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888059baff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888059bb0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff888059bb0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888059bb0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in init_inode fs/reiserfs/inode.c:1315 [inline]
BUG: KASAN: use-after-free in reiserfs_read_locked_inode+0x20fb/0x2170 fs/reiserfs/inode.c:1560
Read of size 4 at addr ffff888059bb0004 by task syz.5.186/6940

CPU: 1 UID: 0 PID: 6940 Comm: syz.5.186 Tainted: G    B              6.12.0-rc4-syzkaller #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 init_inode fs/reiserfs/inode.c:1315 [inline]
 reiserfs_read_locked_inode+0x20fb/0x2170 fs/reiserfs/inode.c:1560
 reiserfs_fill_super+0x135e/0x31a0 fs/reiserfs/super.c:2070
 mount_bdev+0x1e6/0x2d0 fs/super.c:1679
 legacy_get_tree+0x10c/0x220 fs/fs_context.c:662
 vfs_get_tree+0x92/0x380 fs/super.c:1800
 do_new_mount fs/namespace.c:3507 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount fs/namespace.c:4032 [inline]
 __x64_sys_mount+0x294/0x320 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc25ed7f79a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fc25fc20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc25fc20ef0 RCX: 00007fc25ed7f79a
RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007fc25fc20eb0
RBP: 0000000020001100 R08: 00007fc25fc20ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020001140
R13: 00007fc25fc20eb0 R14: 00000000000010e8 R15: 0000000020001180
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x941 pfn:0x59bb0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f0(buddy)
raw: 00fff00000000000 ffffea00012d0808 ffffea00012eb808 0000000000000000
raw: 0000000000000941 0000000000000003 00000000f0000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6923, tgid 6922 (syz.5.133), ts 432622563106, free_ts 433481274637
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 folio_alloc_mpol_noprof+0x36/0xd0 mm/mempolicy.c:2283
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1769
 shmem_alloc_and_add_folio+0x48b/0xc00 mm/shmem.c:1808
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2330
 shmem_fault+0x200/0xae0 mm/shmem.c:2531
 __do_fault+0x10d/0x490 mm/memory.c:4871
 do_read_fault mm/memory.c:5286 [inline]
 do_fault mm/memory.c:5420 [inline]
 do_pte_missing+0xea8/0x3e50 mm/memory.c:3965
 handle_pte_fault mm/memory.c:5755 [inline]
 __handle_mm_fault+0x100a/0x2a10 mm/memory.c:5898
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6066
 faultin_page mm/gup.c:1187 [inline]
 __get_user_pages+0x90f/0x3b90 mm/gup.c:1485
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
 __mm_populate+0x1d6/0x380 mm/gup.c:2026
page last free pid 6924 tgid 6922 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0x956/0x1310 mm/page_alloc.c:2686
 folios_put_refs+0x551/0x750 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x586/0x1170 mm/shmem.c:1032
 shmem_truncate_range mm/shmem.c:1144 [inline]
 shmem_evict_inode+0x3a3/0xba0 mm/shmem.c:1272
 evict+0x40c/0x970 fs/inode.c:725
 iput_final fs/inode.c:1877 [inline]
 iput fs/inode.c:1903 [inline]
 iput+0x530/0x890 fs/inode.c:1889
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:412
 __dentry_kill+0x1d0/0x600 fs/dcache.c:615
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:857
 dput+0x1f/0x30 fs/dcache.c:847
 __fput+0x513/0xb60 fs/file_table.c:439
 task_work_run+0x151/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xadd/0x2d70 kernel/exit.c:939
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337

Memory state around the buggy address:
 ffff888059baff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888059baff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888059bb0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff888059bb0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888059bb0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
==================================================================
BUG: KASAN: use-after-free in init_inode fs/reiserfs/inode.c:1316 [inline]
BUG: KASAN: use-after-free in reiserfs_read_locked_inode+0x2114/0x2170 fs/reiserfs/inode.c:1560
Read of size 4 at addr ffff888059bb0008 by task syz.5.186/6940

CPU: 1 UID: 0 PID: 6940 Comm: syz.5.186 Tainted: G    B              6.12.0-rc4-syzkaller #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 init_inode fs/reiserfs/inode.c:1316 [inline]
 reiserfs_read_locked_inode+0x2114/0x2170 fs/reiserfs/inode.c:1560
 reiserfs_fill_super+0x135e/0x31a0 fs/reiserfs/super.c:2070
 mount_bdev+0x1e6/0x2d0 fs/super.c:1679
 legacy_get_tree+0x10c/0x220 fs/fs_context.c:662
 vfs_get_tree+0x92/0x380 fs/super.c:1800
 do_new_mount fs/namespace.c:3507 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount fs/namespace.c:4032 [inline]
 __x64_sys_mount+0x294/0x320 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc25ed7f79a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fc25fc20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc25fc20ef0 RCX: 00007fc25ed7f79a
RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007fc25fc20eb0
RBP: 0000000020001100 R08: 00007fc25fc20ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020001140
R13: 00007fc25fc20eb0 R14: 00000000000010e8 R15: 0000000020001180
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x941 pfn:0x59bb0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f0(buddy)
raw: 00fff00000000000 ffffea00012d0808 ffffea00012eb808 0000000000000000
raw: 0000000000000941 0000000000000003 00000000f0000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 6923, tgid 6922 (syz.5.133), ts 432622563106, free_ts 433481274637
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 folio_alloc_mpol_noprof+0x36/0xd0 mm/mempolicy.c:2283
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1769
 shmem_alloc_and_add_folio+0x48b/0xc00 mm/shmem.c:1808
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2330
 shmem_fault+0x200/0xae0 mm/shmem.c:2531
 __do_fault+0x10d/0x490 mm/memory.c:4871
 do_read_fault mm/memory.c:5286 [inline]
 do_fault mm/memory.c:5420 [inline]
 do_pte_missing+0xea8/0x3e50 mm/memory.c:3965
 handle_pte_fault mm/memory.c:5755 [inline]
 __handle_mm_fault+0x100a/0x2a10 mm/memory.c:5898
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6066
 faultin_page mm/gup.c:1187 [inline]
 __get_user_pages+0x90f/0x3b90 mm/gup.c:1485
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
 __mm_populate+0x1d6/0x380 mm/gup.c:2026
page last free pid 6924 tgid 6922 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_folios+0x956/0x1310 mm/page_alloc.c:2686
 folios_put_refs+0x551/0x750 mm/swap.c:1007
 folio_batch_release include/linux/pagevec.h:101 [inline]
 shmem_undo_range+0x586/0x1170 mm/shmem.c:1032
 shmem_truncate_range mm/shmem.c:1144 [inline]
 shmem_evict_inode+0x3a3/0xba0 mm/shmem.c:1272
 evict+0x40c/0x970 fs/inode.c:725
 iput_final fs/inode.c:1877 [inline]
 iput fs/inode.c:1903 [inline]
 iput+0x530/0x890 fs/inode.c:1889
 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:412
 __dentry_kill+0x1d0/0x600 fs/dcache.c:615
 dput.part.0+0x4b1/0x9b0 fs/dcache.c:857
 dput+0x1f/0x30 fs/dcache.c:847
 __fput+0x513/0xb60 fs/file_table.c:439
 task_work_run+0x151/0x250 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xadd/0x2d70 kernel/exit.c:939
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 get_signal+0x25fb/0x2770 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337

Memory state around the buggy address:
 ffff888059baff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888059baff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888059bb0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff888059bb0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888059bb0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
REISERFS warning (device loop5): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore
REISERFS warning (device loop5):  reiserfs_fill_super: corrupt root inode, run fsck