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KASAN: use-after-free Read in f2fs_truncate_data_blocks_range

Status: upstream: reported C repro on 2023/05/12 15:50
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+33be3c5ec9ecadd6fe14@syzkaller.appspotmail.com
First crash: 1006d, last: 3d19h
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (4)
Date Name Commit Repro Result
2023/08/11 android14-6.1 (ToT) d7dacaa439c7 C [report] KASAN: slab-out-of-bounds Read in f2fs_truncate_data_blocks_range
2023/05/12 lts (merge base) be100a8460e3 C [report] KASAN: use-after-free Read in f2fs_truncate_data_blocks_range
2023/05/12 upstream (ToT) 47a2ee5d4a0b C [report] KASAN: slab-use-after-free Read in f2fs_truncate_data_blocks_range
2023/08/11 upstream (ToT) 29d99aae13cf C Didn't crash
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range origin:lts 19 C 4 9d04h 167d 0/2 upstream: reported C repro on 2025/08/28 23:47
android-5-10 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range 19 C error error 8 38d 1006d 0/2 upstream: reported C repro on 2023/05/12 18:24
android-54 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range 19 C 3 292d 1006d 0/2 upstream: reported C repro on 2023/05/12 11:37
upstream KASAN: slab-use-after-free Read in f2fs_truncate_data_blocks_range f2fs 19 C error 1 966d 962d 23/29 fixed on 2023/10/12 12:47
upstream KASAN: slab-out-of-bounds Read in f2fs_truncate_data_blocks_range f2fs 17 1 158d 154d 0/29 auto-obsoleted due to no activity on 2025/12/06 05:03
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2025/12/04 01:15 11m retest repro android14-6.1 report log
2025/09/24 06:33 8m retest repro android14-6.1 report log
2025/07/16 03:24 8m retest repro android14-6.1 report log
▶ ▼ Fix bisection attempts (20)
Created Duration User Patch Repo Result
2025/05/06 23:35 5m bisect fix android14-6.1 error job log
2025/04/05 09:12 1h11m bisect fix android14-6.1 OK (0) job log log
2025/03/01 21:14 59m bisect fix android14-6.1 OK (0) job log log
2025/01/29 00:36 2h41m bisect fix android14-6.1 OK (0) job log log
2024/12/22 14:16 1h24m bisect fix android14-6.1 OK (0) job log log
2024/11/09 09:58 1h31m bisect fix android14-6.1 OK (0) job log log
2024/10/07 02:59 2h16m bisect fix android14-6.1 OK (0) job log log
2024/08/24 18:55 44m bisect fix android14-6.1 OK (0) job log log
2024/07/23 23:13 1h02m bisect fix android14-6.1 OK (0) job log log
2024/06/08 10:26 1h09m bisect fix android14-6.1 OK (0) job log log
2024/05/09 02:14 48m bisect fix android14-6.1 OK (0) job log log
2024/04/04 12:47 4h47m bisect fix android14-6.1 OK (0) job log log
2024/03/05 07:32 55m bisect fix android14-6.1 OK (0) job log log
2024/01/27 19:58 47m bisect fix android14-6.1 OK (0) job log log
2023/12/27 12:19 46m bisect fix android14-6.1 OK (0) job log log
2023/11/27 05:50 1h13m bisect fix android14-6.1 OK (0) job log log
2023/10/27 13:50 50m bisect fix android14-6.1 OK (0) job log log
2023/09/24 00:01 50m bisect fix android14-6.1 OK (0) job log log
2023/08/11 07:30 1h51m bisect fix android14-6.1 OK (0) job log log
2023/06/22 22:23 26m bisect fix android14-6.1 OK (0) job log log

Sample crash report:
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
==================================================================
BUG: KASAN: use-after-free in f2fs_truncate_data_blocks_range+0x712/0xed0 fs/f2fs/file.c:677
Read of size 4 at addr ffff888121088000 by task syz.2.18/381

CPU: 1 PID: 381 Comm: syz.2.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 f2fs_truncate_data_blocks_range+0x712/0xed0 fs/f2fs/file.c:677
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>

Allocated by task 347:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kmalloc_reserve net/core/skbuff.c:449 [inline]
 __alloc_skb+0x236/0x4b0 net/core/skbuff.c:518
 alloc_skb include/linux/skbuff.h:1290 [inline]
 nlmsg_new include/net/netlink.h:991 [inline]
 inet6_ifa_notify net/ipv6/addrconf.c:5569 [inline]
 __ipv6_ifa_notify+0x200/0xe80 net/ipv6/addrconf.c:6227
 ipv6_ifa_notify net/ipv6/addrconf.c:6279 [inline]
 inet6_addr_add+0x649/0x9e0 net/ipv6/addrconf.c:3051
 inet6_rtm_newaddr+0x74a/0xa10 net/ipv6/addrconf.c:4999
 rtnetlink_rcv_msg+0xb3b/0xe00 net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x20f/0x460 net/netlink/af_netlink.c:2521
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6168
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x8ab/0xa30 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b9/0xbd0 net/netlink/af_netlink.c:1873
 sock_sendmsg_nosec net/socket.c:716 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x4ac/0x660 net/socket.c:2143
 __do_sys_sendto net/socket.c:2155 [inline]
 __se_sys_sendto net/socket.c:2151 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2151
 x64_sys_call+0x83/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 347:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 skb_free_head net/core/skbuff.c:765 [inline]
 skb_release_data+0x63f/0x890 net/core/skbuff.c:794
 skb_release_all net/core/skbuff.c:859 [inline]
 __kfree_skb net/core/skbuff.c:873 [inline]
 consume_skb+0xab/0x1f0 net/core/skbuff.c:1038
 netlink_broadcast+0x1084/0x1180 net/netlink/af_netlink.c:1522
 nlmsg_multicast include/net/netlink.h:1071 [inline]
 nlmsg_notify+0xe6/0x1a0 net/netlink/af_netlink.c:2564
 rtnl_notify+0x9a/0xc0 net/core/rtnetlink.c:796
 inet6_ifa_notify net/ipv6/addrconf.c:5580 [inline]
 __ipv6_ifa_notify+0x24b/0xe80 net/ipv6/addrconf.c:6227
 ipv6_ifa_notify net/ipv6/addrconf.c:6279 [inline]
 inet6_addr_add+0x649/0x9e0 net/ipv6/addrconf.c:3051
 inet6_rtm_newaddr+0x74a/0xa10 net/ipv6/addrconf.c:4999
 rtnetlink_rcv_msg+0xb3b/0xe00 net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x20f/0x460 net/netlink/af_netlink.c:2521
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6168
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x8ab/0xa30 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b9/0xbd0 net/netlink/af_netlink.c:1873
 sock_sendmsg_nosec net/socket.c:716 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x4ac/0x660 net/socket.c:2143
 __do_sys_sendto net/socket.c:2155 [inline]
 __se_sys_sendto net/socket.c:2151 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2151
 x64_sys_call+0x83/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888121088000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 0 bytes inside of
 512-byte region [ffff888121088000, ffff888121088200)

The buggy address belongs to the physical page:
page:ffffea0004842200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x121088
head:ffffea0004842200 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 347, tgid 347 (syz-executor), ts 24718655012, free_ts 24215968974
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2643
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2650
 get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4554
 __alloc_pages+0x1d9/0x480 mm/page_alloc.c:5868
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3d0 mm/slub.c:2020
 ___slab_alloc+0x6bd/0xb20 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc_node+0xa1/0x1e0 mm/slab_common.c:945
 kmalloc_node include/linux/slab.h:589 [inline]
 kzalloc_node include/linux/slab.h:710 [inline]
 qdisc_alloc+0x79/0x780 net/sched/sch_generic.c:951
 qdisc_create_dflt+0x6b/0x3b0 net/sched/sch_generic.c:1009
 attach_one_default_qdisc net/sched/sch_generic.c:1172 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1190 [inline]
 dev_activate+0x2cf/0x1040 net/sched/sch_generic.c:1249
 __dev_open+0x40e/0x520 net/core/dev.c:1505
 __dev_change_flags+0x21e/0x6b0 net/core/dev.c:8654
 dev_change_flags+0x88/0x1a0 net/core/dev.c:8725
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1551 [inline]
 free_pcp_prepare mm/page_alloc.c:1625 [inline]
 free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3589
 free_unref_page+0x95/0x540 mm/page_alloc.c:3687
 free_the_page mm/page_alloc.c:836 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:5957
 __vunmap+0x9c0/0xb80 mm/vmalloc.c:2739
 __vfree mm/vmalloc.c:2788 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2819
 kcov_put kernel/kcov.c:437 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:533
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 get_signal+0x13b5/0x1520 kernel/signal.c:2891
 arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303

Memory state around the buggy address:
 ffff888121087f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888121087f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888121088000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888121088080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888121088100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
F2FS-fs (loop2): access invalid blkaddr:709845312
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4294936705
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:347
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:72024386
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:4257249290
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:16
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:65556
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:33022
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:419430400
CPU: 1 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:393236
CPU: 1 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2389
CPU: 1 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:2389
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:524296
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:192
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): access invalid blkaddr:1
CPU: 0 PID: 381 Comm: syz.2.18 Tainted: G    B              syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 __f2fs_is_valid_blkaddr+0xda6/0x1460 fs/f2fs/checkpoint.c:215
 f2fs_is_valid_blkaddr_raw+0x23/0x30 fs/f2fs/checkpoint.c:244
 f2fs_truncate_data_blocks_range+0x5f4/0xed0 fs/f2fs/file.c:651
 f2fs_truncate_data_blocks+0xf3/0x130 fs/f2fs/file.c:708
 truncate_dnode fs/f2fs/node.c:962 [inline]
 f2fs_truncate_inode_blocks+0x864/0xfb0 fs/f2fs/node.c:1181
 f2fs_do_truncate_blocks+0x76a/0xc70 fs/f2fs/file.c:797
 f2fs_truncate_blocks+0x10e/0x310 fs/f2fs/file.c:825
 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:875
 f2fs_setattr+0xd07/0x1360 fs/f2fs/file.c:1095
 notify_change+0xcc3/0xf80 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:66
 handle_truncate fs/namei.c:3292 [inline]
 do_open fs/namei.c:3637 [inline]
 path_openat+0x28f0/0x2f80 fs/namei.c:3790
 do_filp_open+0x1f1/0x430 fs/namei.c:3817
 do_sys_openat2+0x15e/0x810 fs/open.c:1343
 do_sys_open fs/open.c:1359 [inline]
 __do_sys_open fs/open.c:1367 [inline]
 __se_sys_open fs/open.c:1363 [inline]
 __x64_sys_open+0x11c/0x140 fs/open.c:1363
 x64_sys_call+0x97b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:3
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff10139aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee1ed46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff101615fa0 RCX: 00007ff10139aeb9
RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0
RBP: 00007ff101408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff101615fac R14: 00007ff101615fa0 R15: 00007ff101615fa0
 </TASK>
F2FS-fs (loop2): Inconsistent i_blocks, ino:7, iblocks:0, sectors:16
F2FS-fs (loop2): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0
----------------
Code disassembly (best guess):
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00
   c:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
* 2a:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax <-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 c7 c1 e8 ff ff ff 	mov    $0xffffffffffffffe8,%rcx
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/08 14:15 android14-6.1 c9e2710a7bd0 4c131dc4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-6-1 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range
2023/05/12 15:48 android14-6.1 af58dc05bbd2 ecca8a24 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range
2023/05/23 01:52 android14-6.1 e6c15792a6de 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in f2fs_truncate_data_blocks_range
* Struck through repros no longer work on HEAD.