RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 ================================================================== BUG: KASAN: slab-out-of-bounds in f2fs_truncate_data_blocks_range+0x829/0xec0 fs/f2fs/file.c:599 Read of size 4 at addr ffff88811bcf9068 by task syz.3.1101/4814 CPU: 0 PID: 4814 Comm: syz.3.1101 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 Allocated by task 3573: 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:2974 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] kthread+0x97/0x3d0 kernel/kthread.c:275 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff88811bcf9000 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 104 bytes inside of 128-byte region [ffff88811bcf9000, ffff88811bcf9080) The buggy address belongs to the page: page:ffffea00046f3e40 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88811bcf9400 pfn:0x11bcf9 flags: 0x4000000000000200(slab) raw: 4000000000000200 ffffea0004268c80 0000000a0000000a ffff888100043500 raw: ffff88811bcf9400 000000008010000e 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 3569, ts 120431835599, free_ts 120397696008 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:5357 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1808 [inline] new_slab+0x84/0x3f0 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] kmem_cache_alloc_trace+0x1b3/0x2e0 mm/slub.c:2972 kmalloc include/linux/slab.h:552 [inline] kzalloc include/linux/slab.h:664 [inline] kthread+0x97/0x3d0 kernel/kthread.c:275 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_pages_ok+0x7fc/0x820 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5418 [inline] __free_pages+0xdd/0x380 mm/page_alloc.c:5427 __free_slab+0xcf/0x190 mm/slub.c:1894 free_slab mm/slub.c:1909 [inline] discard_slab+0x29/0x40 mm/slub.c:1915 __slab_free+0x313/0x3a0 mm/slub.c:3131 do_slab_free mm/slub.c:3191 [inline] ___cache_free+0x111/0x130 mm/slub.c:3210 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xf0 mm/kasan/common.c:440 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:583 slab_alloc_node mm/slub.c:2947 [inline] slab_alloc mm/slub.c:2955 [inline] kmem_cache_alloc+0x165/0x2e0 mm/slub.c:2960 kmem_cache_alloc_node include/linux/slab.h:423 [inline] __alloc_skb+0x9e/0x520 net/core/skbuff.c:200 alloc_skb include/linux/skbuff.h:1126 [inline] alloc_skb_with_frags+0xa2/0x560 net/core/skbuff.c:5993 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2388 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2405 Memory state around the buggy address: ffff88811bcf8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88811bcf8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88811bcf9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc ^ ffff88811bcf9080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811bcf9100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== F2FS-fs (loop3): access invalid blkaddr:3573 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): access invalid blkaddr:2745171971 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): access invalid blkaddr:366538752 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): access invalid blkaddr:4294936705 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): Inconsistent error blkaddr:4754, sit bitmap:0 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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 __is_bitmap_valid fs/f2fs/checkpoint.c:166 [inline] f2fs_is_valid_blkaddr+0xc49/0x1360 fs/f2fs/checkpoint.c:208 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): access invalid blkaddr:2982150423 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): access invalid blkaddr:4 CPU: 1 PID: 4814 Comm: syz.3.1101 Tainted: G B 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:943 [inline] f2fs_truncate_inode_blocks+0x63b/0xfb0 fs/f2fs/node.c:1162 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: 0033:0x7f732bbdc9a9 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:00007f732a245038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f732be03fa0 RCX: 00007f732bbdc9a9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007f732bc5ed69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f732be03fa0 R15: 00007ffdd5936f18 F2FS-fs (loop3): Inconsistent i_blocks, ino:7, iblocks:0, sectors:8 F2FS-fs (loop3): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0