RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 ================================================================== BUG: KASAN: use-after-free in f2fs_truncate_data_blocks_range+0x829/0xec0 fs/f2fs/file.c:599 Read of size 4 at addr ffff888126ef4000 by task syz.2.17/373 CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 f2fs_truncate_data_blocks_range+0x829/0xec0 fs/f2fs/file.c:599 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 Allocated by task 372: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xda/0x110 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] kmem_cache_alloc_trace+0x184/0x2e0 mm/slub.c:2979 kmalloc include/linux/slab.h:552 [inline] dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:208 dst_metrics_write_ptr include/net/dst.h:118 [inline] dst_metric_set include/net/dst.h:179 [inline] icmp6_dst_alloc+0x36a/0x560 net/ipv6/route.c:3182 ndisc_send_skb+0x267/0xb40 net/ipv6/ndisc.c:493 ndisc_send_ns+0x842/0xaf0 net/ipv6/ndisc.c:655 addrconf_dad_work+0x9de/0x1410 net/ipv6/addrconf.c:4210 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Freed by task 373: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kfree+0xc0/0x270 mm/slub.c:4196 ip_dst_metrics_put include/net/ip.h:513 [inline] ip6_dst_destroy+0x9f/0x420 net/ipv6/route.c:358 dst_destroy+0xc3/0x240 net/core/dst.c:117 dst_destroy_rcu+0x19/0x20 net/core/dst.c:139 rcu_do_batch+0x4df/0xa80 kernel/rcu/tree.c:2494 rcu_core+0x55f/0xd60 kernel/rcu/tree.c:2735 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2748 __do_softirq+0x255/0x563 kernel/softirq.c:309 The buggy address belongs to the object at ffff888126ef4000 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 0 bytes inside of 96-byte region [ffff888126ef4000, ffff888126ef4060) The buggy address belongs to the page: page:ffffea00049bbd00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x126ef4 flags: 0x4000000000000200(slab) raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043680 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 372, ts 26922820239, free_ts 26611804715 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5370 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc_trace+0x1b3/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:552 [inline] dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:208 dst_metrics_write_ptr include/net/dst.h:118 [inline] dst_metric_set include/net/dst.h:179 [inline] icmp6_dst_alloc+0x36a/0x560 net/ipv6/route.c:3182 ndisc_send_skb+0x267/0xb40 net/ipv6/ndisc.c:493 ndisc_send_ns+0x842/0xaf0 net/ipv6/ndisc.c:655 addrconf_dad_work+0x9de/0x1410 net/ipv6/addrconf.c:4210 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page_list+0x12e/0x9b0 mm/page_alloc.c:3443 release_pages+0xe38/0xe80 mm/swap.c:1103 __pagevec_release+0x71/0xe0 mm/swap.c:1123 pagevec_release include/linux/pagevec.h:88 [inline] truncate_inode_pages_range+0x771/0x15b0 mm/truncate.c:367 truncate_inode_pages mm/truncate.c:473 [inline] truncate_pagecache mm/truncate.c:834 [inline] truncate_setsize+0xbd/0xe0 mm/truncate.c:859 f2fs_setattr+0x943/0x1010 fs/f2fs/file.c:993 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff888126ef3f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888126ef3f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888126ef4000: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff888126ef4080: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff888126ef4100: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== F2FS-fs (loop2): access invalid blkaddr:653220672 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:373 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:2889875680 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:372 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:2682257632 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:653218432 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:12 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:2889875680 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:373 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:2833252576 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:653240512 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:4294936705 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:373 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:2889875680 CPU: 0 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:296 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): access invalid blkaddr:4018143497 CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 f2fs_is_valid_blkaddr+0xc8c/0x1360 fs/f2fs/checkpoint.c:205 f2fs_truncate_data_blocks_range+0x67f/0xec0 fs/f2fs/file.c:617 f2fs_truncate_data_blocks+0xf7/0x140 fs/f2fs/file.c:656 truncate_dnode fs/f2fs/node.c:953 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1172 f2fs_do_truncate_blocks+0x6bc/0x9a0 fs/f2fs/file.c:745 f2fs_truncate_blocks+0x115/0x310 fs/f2fs/file.c:773 f2fs_truncate+0x1d7/0x3d0 fs/f2fs/file.c:825 f2fs_setattr+0x981/0x1010 fs/f2fs/file.c:996 notify_change+0xab3/0xe40 fs/attr.c:410 do_truncate+0x186/0x210 fs/open.c:65 handle_truncate fs/namei.c:3054 [inline] do_open fs/namei.c:3395 [inline] path_openat+0x2aab/0x3160 fs/namei.c:3509 do_filp_open+0x1b3/0x3e0 fs/namei.c:3536 do_sys_openat2+0x14c/0x6d0 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_open fs/open.c:1241 [inline] __se_sys_open fs/open.c:1237 [inline] __x64_sys_open+0x11c/0x140 fs/open.c:1237 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f838dcefec9 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:00007fffd71bce48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f838df46fa0 RCX: 00007f838dcefec9 RDX: 0000000000000040 RSI: 0000000000141242 RDI: 0000200000000140 RBP: 00007f838dd72f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f838df46fa0 R14: 00007f838df46fa0 R15: 0000000000000003 F2FS-fs (loop2): Inconsistent i_blocks, ino:7, iblocks:0, sectors:8 F2FS-fs (loop2): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0