program: syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)=ANY=[@ANYBLOB='acl,heartbeat=none,dir_resv_level=00003,coherency=full,coherency=full,localflocks,coherency=full,noacl,\x00'/119], 0x1, 0x4421, &(0x7f0000004500)="$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r0 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r1 = open(&(0x7f0000000780)='./bus\x00', 0x14507e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r1, 0x0) fallocate(r0, 0x0, 0x0, 0x1000f4) io_setup(0x5ff, &(0x7f0000000040)=0x0) io_submit(r2, 0x1ffffff0, &(0x7f0000001d00)=[&(0x7f0000000080)={0xc000000000000, 0x0, 0x0, 0x0, 0x0, r1, &(0x7f0000000000)="96", 0xffffff20}, &(0x7f0000000740)={0x0, 0x0, 0x41, 0x3, 0x0, r0, 0x0, 0x0, 0xffffffffffffffff}]) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) [ 76.111742][ T4658] Bluetooth: hci0: command tx timeout [ 76.364936][ T1311] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.367946][ T1311] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.488635][ T5311] loop0: detected capacity change from 0 to 32768 [ 76.545785][ T5311] JBD2: Ignoring recovery information on journal [ 76.587134][ T5311] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 76.603064][ T25] audit: type=1800 audit(1746477597.528:2): pid=5311 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="bus" dev="loop0" ino=17058 res=0 errno=0 [ 76.617448][ T25] audit: type=1800 audit(1746477597.538:3): pid=5311 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="bus" dev="loop0" ino=17058 res=0 errno=0 [ 76.702386][ T5311] ================================================================== [ 76.706080][ T5311] BUG: KASAN: slab-use-after-free in ocfs2_fault+0xd3/0x3f0 [ 76.709434][ T5311] Read of size 8 at addr ffff88801f68bb98 by task syz.0.0/5311 [ 76.713351][ T5311] [ 76.714409][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #0 PREEMPT(full) [ 76.714424][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.714432][ T5311] Call Trace: [ 76.714439][ T5311] [ 76.714445][ T5311] dump_stack_lvl+0x189/0x250 [ 76.714465][ T5311] ? __virt_addr_valid+0x18c/0x540 [ 76.714480][ T5311] ? rcu_is_watching+0x15/0xb0 [ 76.714496][ T5311] ? __kasan_check_byte+0x12/0x40 [ 76.714508][ T5311] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.714520][ T5311] ? rcu_is_watching+0x15/0xb0 [ 76.714533][ T5311] ? lock_release+0x4b/0x3e0 [ 76.714547][ T5311] ? __virt_addr_valid+0x18c/0x540 [ 76.714558][ T5311] ? __virt_addr_valid+0x469/0x540 [ 76.714570][ T5311] print_report+0xb4/0x290 [ 76.714582][ T5311] ? ocfs2_fault+0xd3/0x3f0 [ 76.714593][ T5311] kasan_report+0x118/0x150 [ 76.714604][ T5311] ? ocfs2_fault+0xd3/0x3f0 [ 76.714616][ T5311] ocfs2_fault+0xd3/0x3f0 [ 76.714625][ T5311] ? __pfx_ocfs2_fault+0x10/0x10 [ 76.714637][ T5311] __do_fault+0x135/0x390 [ 76.714652][ T5311] __handle_mm_fault+0x17f9/0x5380 [ 76.714669][ T5311] ? __pfx___handle_mm_fault+0x10/0x10 [ 76.714683][ T5311] ? follow_page_pte+0x888/0x13c0 [ 76.714696][ T5311] handle_mm_fault+0x3f6/0x8c0 [ 76.714708][ T5311] __get_user_pages+0x16f0/0x2a40 [ 76.714723][ T5311] ? __pfx___get_user_pages+0x10/0x10 [ 76.714733][ T5311] ? __gup_longterm_locked+0xbf7/0x15b0 [ 76.714743][ T5311] ? down_read_killable+0x1d1/0x350 [ 76.714803][ T5311] __gup_longterm_locked+0xd66/0x15b0 [ 76.714820][ T5311] ? sanity_check_pinned_pages+0x11a2/0x1290 [ 76.714832][ T5311] ? gup_fast_fallback+0x1672/0x1d60 [ 76.714845][ T5311] gup_fast_fallback+0x1843/0x1d60 [ 76.714857][ T5311] ? __pfx_gup_fast_fallback+0x10/0x10 [ 76.714865][ T5311] ? sanity_check_pinned_pages+0x119b/0x1290 [ 76.714873][ T5311] ? pin_user_pages_fast+0x4d/0xb0 [ 76.714881][ T5311] iov_iter_extract_pages+0x35a/0x5e0 [ 76.714892][ T5311] __blockdev_direct_IO+0x10ed/0x3310 [ 76.714903][ T5311] ? __pfx___blockdev_direct_IO+0x10/0x10 [ 76.714910][ T5311] ? __pfx_ocfs2_lock_get_block+0x10/0x10 [ 76.714919][ T5311] ? filemap_write_and_wait_range+0x272/0x310 [ 76.714929][ T5311] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 76.714937][ T5311] ? ocfs2_commit_trans+0x133/0x230 [ 76.714951][ T5311] ? __pfx_ocfs2_lock_get_block+0x10/0x10 [ 76.714959][ T5311] ocfs2_direct_IO+0x25f/0x2d0 [ 76.714995][ T5311] generic_file_read_iter+0x319/0x510 [ 76.715009][ T5311] ? _raw_spin_unlock+0x28/0x50 [ 76.715020][ T5311] ocfs2_file_read_iter+0x3fa/0xa80 [ 76.715032][ T5311] ? stack_depot_save_flags+0x42b/0x910 [ 76.715044][ T5311] ? __pfx_ocfs2_file_read_iter+0x10/0x10 [ 76.715058][ T5311] ? rw_verify_area+0x258/0x650 [ 76.715070][ T5311] aio_read+0x30e/0x470 [ 76.715084][ T5311] ? __pfx_aio_read+0x10/0x10 [ 76.715099][ T5311] ? __might_fault+0xb0/0x130 [ 76.715114][ T5311] io_submit_one+0x6ec/0x1240 [ 76.715125][ T5311] ? __lock_acquire+0xaac/0xd20 [ 76.715138][ T5311] ? __pfx_io_submit_one+0x10/0x10 [ 76.715150][ T5311] ? __might_fault+0xb0/0x130 [ 76.715167][ T5311] ? __might_fault+0xb0/0x130 [ 76.715181][ T5311] __se_sys_io_submit+0x185/0x2f0 [ 76.715193][ T5311] ? __pfx___se_sys_io_submit+0x10/0x10 [ 76.715206][ T5311] ? do_syscall_64+0xba/0x210 [ 76.715216][ T5311] do_syscall_64+0xf6/0x210 [ 76.715224][ T5311] ? clear_bhb_loop+0x45/0xa0 [ 76.715231][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.715238][ T5311] RIP: 0033:0x7f05a018e969 [ 76.715247][ T5311] 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 [ 76.715253][ T5311] RSP: 002b:00007f05a0ffc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 76.715261][ T5311] RAX: ffffffffffffffda RBX: 00007f05a03b5fa0 RCX: 00007f05a018e969 [ 76.715266][ T5311] RDX: 0000200000001d00 RSI: 000000001ffffff0 RDI: 00007f05a0fa2000 [ 76.715270][ T5311] RBP: 00007f05a0210ab1 R08: 0000000000000000 R09: 0000000000000000 [ 76.715274][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.715278][ T5311] R13: 0000000000000000 R14: 00007f05a03b5fa0 R15: 00007ffcbb602378 [ 76.715285][ T5311] [ 76.715287][ T5311] [ 76.889546][ T5311] Allocated by task 5311: [ 76.891335][ T5311] kasan_save_track+0x3e/0x80 [ 76.893317][ T5311] __kasan_slab_alloc+0x6c/0x80 [ 76.895374][ T5311] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 76.897711][ T5311] vm_area_alloc+0x24/0x140 [ 76.899639][ T5311] mmap_region+0xcf4/0x1e50 [ 76.901612][ T5311] do_mmap+0xc68/0x1100 [ 76.903454][ T5311] vm_mmap_pgoff+0x31b/0x4c0 [ 76.905532][ T5311] ksys_mmap_pgoff+0x51f/0x760 [ 76.907721][ T5311] do_syscall_64+0xf6/0x210 [ 76.909591][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.911991][ T5311] [ 76.913004][ T5311] Freed by task 5312: [ 76.914807][ T5311] kasan_save_track+0x3e/0x80 [ 76.916959][ T5311] kasan_save_free_info+0x46/0x50 [ 76.919126][ T5311] __kasan_slab_free+0x62/0x70 [ 76.921071][ T5311] slab_free_after_rcu_debug+0x127/0x290 [ 76.923594][ T5311] rcu_core+0xca5/0x1710 [ 76.925403][ T5311] handle_softirqs+0x283/0x870 [ 76.927404][ T5311] __irq_exit_rcu+0xca/0x1f0 [ 76.929290][ T5311] irq_exit_rcu+0x9/0x30 [ 76.930951][ T5311] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 76.933286][ T5311] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 76.935797][ T5311] [ 76.936878][ T5311] Last potentially related work creation: [ 76.939186][ T5311] kasan_save_stack+0x3e/0x60 [ 76.941165][ T5311] kasan_record_aux_stack+0xbc/0xd0 [ 76.943344][ T5311] kmem_cache_free+0x2ee/0x3f0 [ 76.945272][ T5311] vms_complete_munmap_vmas+0x626/0x8a0 [ 76.947716][ T5311] mmap_region+0x1471/0x1e50 [ 76.949688][ T5311] do_mmap+0xc68/0x1100 [ 76.951370][ T5311] vm_mmap_pgoff+0x31b/0x4c0 [ 76.953373][ T5311] do_syscall_64+0xf6/0x210 [ 76.955327][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.957592][ T5311] [ 76.958469][ T5311] The buggy address belongs to the object at ffff88801f68bb40 [ 76.958469][ T5311] which belongs to the cache vm_area_struct of size 256 [ 76.963949][ T5311] The buggy address is located 88 bytes inside of [ 76.963949][ T5311] freed 256-byte region [ffff88801f68bb40, ffff88801f68bc40) [ 76.969446][ T5311] [ 76.970393][ T5311] The buggy address belongs to the physical page: [ 76.972957][ T5311] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1f68b [ 76.976476][ T5311] memcg:ffff88801fab1001 [ 76.978306][ T5311] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 76.981167][ T5311] page_type: f5(slab) [ 76.982850][ T5311] raw: 00fff00000000000 ffff88801b287b40 dead000000000100 dead000000000122 [ 76.986471][ T5311] raw: 0000000000000000 00000000000c000c 00000000f5000000 ffff88801fab1001 [ 76.990108][ T5311] page dumped because: kasan: bad access detected [ 76.992780][ T5311] page_owner tracks the page as allocated [ 76.995122][ T5311] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 4700, tgid 4700 (syslogd), ts 25937256015, free_ts 25933171324 [ 77.002787][ T5311] post_alloc_hook+0x1d8/0x230 [ 77.004840][ T5311] get_page_from_freelist+0x21ce/0x22b0 [ 77.007211][ T5311] __alloc_frozen_pages_noprof+0x181/0x370 [ 77.009533][ T5311] alloc_pages_mpol+0x232/0x4a0 [ 77.011611][ T5311] allocate_slab+0x8a/0x3b0 [ 77.013513][ T5311] ___slab_alloc+0xbfc/0x1480 [ 77.015519][ T5311] kmem_cache_alloc_noprof+0x283/0x3c0 [ 77.017809][ T5311] vm_area_alloc+0x24/0x140 [ 77.019765][ T5311] mmap_region+0xcf4/0x1e50 [ 77.021702][ T5311] do_mmap+0xc68/0x1100 [ 77.023449][ T5311] vm_mmap_pgoff+0x31b/0x4c0 [ 77.025257][ T5311] elf_load+0x245/0x6c0 [ 77.027162][ T5311] load_elf_interp+0x469/0xaf0 [ 77.029288][ T5311] load_elf_binary+0x1a65/0x27b0 [ 77.031556][ T5311] bprm_execve+0x999/0x1440 [ 77.033547][ T5311] do_execveat_common+0x510/0x6a0 [ 77.035810][ T5311] page last free pid 1 tgid 1 stack trace: [ 77.038351][ T5311] __free_frozen_pages+0xb0e/0xcd0 [ 77.040610][ T5311] __slab_free+0x326/0x400 [ 77.042546][ T5311] qlist_free_all+0x9a/0x140 [ 77.044624][ T5311] kasan_quarantine_reduce+0x148/0x160 [ 77.046948][ T5311] __kasan_slab_alloc+0x22/0x80 [ 77.049077][ T5311] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 77.051406][ T5311] getname_flags+0xb8/0x540 [ 77.053322][ T5311] user_path_at+0x24/0x60 [ 77.055190][ T5311] do_faccessat+0x5d8/0xd90 [ 77.057095][ T5311] __x64_sys_access+0x61/0x70 [ 77.059068][ T5311] do_syscall_64+0xf6/0x210 [ 77.060905][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.063540][ T5311] [ 77.064647][ T5311] Memory state around the buggy address: [ 77.067217][ T5311] ffff88801f68ba80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.070615][ T5311] ffff88801f68bb00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 77.073773][ T5311] >ffff88801f68bb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 77.077164][ T5311] ^ [ 77.079232][ T5311] ffff88801f68bc00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 77.082637][ T5311] ffff88801f68bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.086003][ T5311] ================================================================== [ 77.360635][ T5311] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 77.363842][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #0 PREEMPT(full) [ 77.368685][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 77.373281][ T5311] Call Trace: [ 77.374762][ T5311] [ 77.376054][ T5311] dump_stack_lvl+0x99/0x250 [ 77.377982][ T5311] ? __asan_memcpy+0x40/0x70 [ 77.380153][ T5311] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.382229][ T5311] ? __pfx__printk+0x10/0x10 [ 77.384102][ T5311] panic+0x2db/0x790 [ 77.385692][ T5311] ? __pfx_panic+0x10/0x10 [ 77.387588][ T5311] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 77.390080][ T5311] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 77.392729][ T5311] ? print_memory_metadata+0x314/0x400 [ 77.395030][ T5311] ? ocfs2_fault+0xd3/0x3f0 [ 77.396902][ T5311] check_panic_on_warn+0x89/0xb0 [ 77.399005][ T5311] ? ocfs2_fault+0xd3/0x3f0 [ 77.400946][ T5311] end_report+0x78/0x160 [ 77.402736][ T5311] kasan_report+0x129/0x150 [ 77.404600][ T5311] ? ocfs2_fault+0xd3/0x3f0 [ 77.406629][ T5311] ocfs2_fault+0xd3/0x3f0 [ 77.408480][ T5311] ? __pfx_ocfs2_fault+0x10/0x10 [ 77.410533][ T5311] __do_fault+0x135/0x390 [ 77.412348][ T5311] __handle_mm_fault+0x17f9/0x5380 [ 77.414507][ T5311] ? __pfx___handle_mm_fault+0x10/0x10 [ 77.416738][ T5311] ? follow_page_pte+0x888/0x13c0 [ 77.418817][ T5311] handle_mm_fault+0x3f6/0x8c0 [ 77.420885][ T5311] __get_user_pages+0x16f0/0x2a40 [ 77.423037][ T5311] ? __pfx___get_user_pages+0x10/0x10 [ 77.425128][ T5311] ? __gup_longterm_locked+0xbf7/0x15b0 [ 77.427462][ T5311] ? down_read_killable+0x1d1/0x350 [ 77.429543][ T5311] __gup_longterm_locked+0xd66/0x15b0 [ 77.432112][ T5311] ? sanity_check_pinned_pages+0x11a2/0x1290 [ 77.434716][ T5311] ? gup_fast_fallback+0x1672/0x1d60 [ 77.436945][ T5311] gup_fast_fallback+0x1843/0x1d60 [ 77.439037][ T5311] ? __pfx_gup_fast_fallback+0x10/0x10 [ 77.441248][ T5311] ? sanity_check_pinned_pages+0x119b/0x1290 [ 77.443708][ T5311] ? pin_user_pages_fast+0x4d/0xb0 [ 77.445893][ T5311] iov_iter_extract_pages+0x35a/0x5e0 [ 77.448142][ T5311] __blockdev_direct_IO+0x10ed/0x3310 [ 77.450362][ T5311] ? __pfx___blockdev_direct_IO+0x10/0x10 [ 77.452783][ T5311] ? __pfx_ocfs2_lock_get_block+0x10/0x10 [ 77.455158][ T5311] ? filemap_write_and_wait_range+0x272/0x310 [ 77.457696][ T5311] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 77.460357][ T5311] ? ocfs2_commit_trans+0x133/0x230 [ 77.462508][ T5311] ? __pfx_ocfs2_lock_get_block+0x10/0x10 [ 77.464873][ T5311] ocfs2_direct_IO+0x25f/0x2d0 [ 77.466984][ T5311] generic_file_read_iter+0x319/0x510 [ 77.469014][ T5311] ? _raw_spin_unlock+0x28/0x50 [ 77.470867][ T5311] ocfs2_file_read_iter+0x3fa/0xa80 [ 77.473029][ T5311] ? stack_depot_save_flags+0x42b/0x910 [ 77.475253][ T5311] ? __pfx_ocfs2_file_read_iter+0x10/0x10 [ 77.477547][ T5311] ? rw_verify_area+0x258/0x650 [ 77.479603][ T5311] aio_read+0x30e/0x470 [ 77.481287][ T5311] ? __pfx_aio_read+0x10/0x10 [ 77.483247][ T5311] ? __might_fault+0xb0/0x130 [ 77.485190][ T5311] io_submit_one+0x6ec/0x1240 [ 77.487187][ T5311] ? __lock_acquire+0xaac/0xd20 [ 77.489198][ T5311] ? __pfx_io_submit_one+0x10/0x10 [ 77.491345][ T5311] ? __might_fault+0xb0/0x130 [ 77.493347][ T5311] ? __might_fault+0xb0/0x130 [ 77.495303][ T5311] __se_sys_io_submit+0x185/0x2f0 [ 77.497367][ T5311] ? __pfx___se_sys_io_submit+0x10/0x10 [ 77.499606][ T5311] ? do_syscall_64+0xba/0x210 [ 77.501571][ T5311] do_syscall_64+0xf6/0x210 [ 77.503521][ T5311] ? clear_bhb_loop+0x45/0xa0 [ 77.505448][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.508588][ T5311] RIP: 0033:0x7f05a018e969 [ 77.510394][ T5311] 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 [ 77.518229][ T5311] RSP: 002b:00007f05a0ffc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 77.521634][ T5311] RAX: ffffffffffffffda RBX: 00007f05a03b5fa0 RCX: 00007f05a018e969 [ 77.524910][ T5311] RDX: 0000200000001d00 RSI: 000000001ffffff0 RDI: 00007f05a0fa2000 [ 77.528194][ T5311] RBP: 00007f05a0210ab1 R08: 0000000000000000 R09: 0000000000000000 [ 77.531508][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.534833][ T5311] R13: 0000000000000000 R14: 00007f05a03b5fa0 R15: 00007ffcbb602378 [ 77.538220][ T5311] [ 77.539848][ T5311] Kernel Offset: disabled [ 77.542082][ T5311] Rebooting in 86400 seconds..