program:
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open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111)
mount(&(0x7f0000000280)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x5000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x40042, 0x0)
pwrite64(r0, &(0x7f0000000540)="9e", 0x1, 0xfecf)
r1 = open(&(0x7f000001f580)='./file1\x00', 0x145142, 0x0)
ftruncate(r1, 0x96ef)
syz_mount_image$msdos(&(0x7f0000000f40), &(0x7f0000000f00)='.\x00', 0x1a4a438, &(0x7f0000000100)=ANY=[], 0xb, 0x0, &(0x7f0000000100))
r2 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)
ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x8005, 0x0, 0x0, 0x19, 0xd, "ef359f413bb93852f7d6a4ae6dddfbd1ce5d29c2ee5e5ca9000ff8ee09e737ff0edf110ff4117639c2eb4b78c660e677df701905b9aafab4afaaf755a3f6a004", "036c47c6780820d1cbf7966d61fdcf335263bd9bffbcc2542ded71038259ca171ce1a311ef54ec32d71e14ef3dc177e9b48b00", "f28359738e229a4c66810000000000d300e6d602000000000000000000000001", [0x8]})
r3 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x105042, 0x1ff)
mmap$IORING_OFF_SQ_RING(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x4, 0x11, r3, 0x0)
r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0)
r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x2)
r7 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$IOMMU_HWPT_ALLOC$TEST(r7, 0x3b89, &(0x7f00000002c0)={0x28, 0x0, 0x0, 0x0, 0x0, 0x0, 0xdead, 0x0, 0x0})
ioctl$KVM_CAP_EXCEPTION_PAYLOAD(r5, 0x4068aea3, &(0x7f0000000040)={0xa4, 0x0, 0x1})
ioctl$KVM_SET_VCPU_EVENTS(r6, 0x4040aea0, &(0x7f0000000000)=@x86={0x2, 0x4, 0x8, 0x0, 0x1000, 0xe, 0x7, 0xf3, 0x5, 0x9, 0x6, 0x9, 0x0, 0x6, 0x10, 0xa, 0x9, 0x7f, 0x9f, '\x00', 0x6b, 0x1})
shmget$private(0x0, 0x2000, 0x4, &(0x7f0000ffd000/0x2000)=nil)
r8 = shmget$private(0x0, 0x4000, 0x800, &(0x7f0000ffa000/0x4000)=nil)
r9 = openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r9, 0x80044940, 0x0)
close(r9)
shmat(r8, &(0x7f0000000000/0x2000)=nil, 0x5000)
shmctl$IPC_INFO(r8, 0x3, &(0x7f0000000040)=""/8)
[ 86.479896][ T5304] Bluetooth: hci0: command tx timeout
[ 86.741198][ T5329] loop0: detected capacity change from 0 to 32768
[ 86.750177][ T5329] =======================================================
[ 86.750177][ T5329] WARNING: The mand mount option has been deprecated and
[ 86.750177][ T5329] and is ignored by this kernel. Remove the mand
[ 86.750177][ T5329] option from the mount to silence this warning.
[ 86.750177][ T5329] =======================================================
[ 86.828783][ T5329] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[ 86.898261][ T5329] (syz.0.0,5329,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options
[ 86.930369][ T5329] loop0: detected capacity change from 32768 to 64
[ 86.950513][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 86.953682][ T5329] (syz.0.0,5329,0):ocfs2_assign_bh:2417 ERROR: status = -12
[ 86.956926][ T5329] (syz.0.0,5329,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -12
[ 86.989565][ T5329] (syz.0.0,5329,0):ocfs2_inode_lock_atime:2602 ERROR: status = -12
[ 86.993087][ T5329] (syz.0.0,5329,0):ocfs2_mmap_prepare:170 ERROR: status = -12
[ 87.014678][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.018082][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.033005][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.036484][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 0
[ 87.042408][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.046162][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.050179][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.053696][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 0
[ 87.058464][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.061818][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.064829][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.068115][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 1
[ 87.072853][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.075960][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.079884][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.084440][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 2
[ 87.088903][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.092526][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.095562][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.106986][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 3
[ 87.117260][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.127597][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.147903][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.155861][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 4
[ 87.160707][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.163897][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.166940][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.171169][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 5
[ 87.175724][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.178844][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.182539][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.185956][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 6
[ 87.192059][ T5330] (syz.0.0,5330,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.196051][ T5330] (syz.0.0,5330,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.204104][ T5330] (syz.0.0,5330,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.209956][ T5330] (syz.0.0,5330,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 7
[ 87.223618][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.226818][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.232641][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.236227][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 0
[ 87.241074][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.244436][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.247744][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.252317][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 1
[ 87.256714][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.260449][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.263445][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.267033][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 2
[ 87.272000][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.275223][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.278364][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.283867][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 3
[ 87.288468][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.291986][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.295328][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.298592][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 4
[ 87.304614][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.307840][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.311641][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.315308][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 5
[ 87.320548][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.323831][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.327100][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.330773][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 6
[ 87.336853][ T5330] ==================================================================
[ 87.340261][ T5330] BUG: KASAN: slab-use-after-free in ocfs2_fault+0xd3/0x3f0
[ 87.343514][ T5330] Read of size 8 at addr ffff888011a9f198 by task syz.0.0/5330
[ 87.346709][ T5330]
[ 87.347807][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 87.347823][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 87.347830][ T5330] Call Trace:
[ 87.347837][ T5330]
[ 87.347843][ T5330] dump_stack_lvl+0x189/0x250
[ 87.347863][ T5330] ? __kasan_check_byte+0x12/0x40
[ 87.347880][ T5330] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.347895][ T5330] ? lock_release+0x4b/0x3e0
[ 87.347908][ T5330] ? __virt_addr_valid+0x4a5/0x5c0
[ 87.347923][ T5330] print_report+0xca/0x240
[ 87.347936][ T5330] ? ocfs2_fault+0xd3/0x3f0
[ 87.347949][ T5330] kasan_report+0x118/0x150
[ 87.347964][ T5330] ? ocfs2_fault+0xd3/0x3f0
[ 87.347980][ T5330] ocfs2_fault+0xd3/0x3f0
[ 87.347994][ T5330] ? __pfx_ocfs2_fault+0x10/0x10
[ 87.348009][ T5330] __do_fault+0x138/0x390
[ 87.348023][ T5330] __handle_mm_fault+0x35e3/0x5400
[ 87.348046][ T5330] ? __pfx___handle_mm_fault+0x10/0x10
[ 87.348061][ T5330] ? find_vma+0xe7/0x160
[ 87.348073][ T5330] ? __pfx_find_vma+0x10/0x10
[ 87.348086][ T5330] handle_mm_fault+0x40a/0x8e0
[ 87.348099][ T5330] do_user_addr_fault+0x764/0x1380
[ 87.348112][ T5330] exc_page_fault+0x82/0x100
[ 87.348168][ T5330] asm_exc_page_fault+0x26/0x30
[ 87.348179][ T5330] RIP: 0010:strncpy_from_user+0xb7/0x290
[ 87.348195][ T5330] Code: 00 00 4c 89 f6 e8 29 10 fd fc 49 83 fe 07 0f 86 9d 00 00 00 48 89 1c 24 4c 89 74 24 08 48 c7 c5 f8 ff ff ff 45 31 e4 4c 89 fb <4f> 8b 34 27 48 b8 ff fe fe fe fe fe fe fe 4d 8d 3c 06 4d 89 f5 49
[ 87.348203][ T5330] RSP: 0018:ffffc9000f497d10 EFLAGS: 00050246
[ 87.348214][ T5330] RAX: ffffffff84c30807 RBX: 0000200000000180 RCX: ffff888000f88000
[ 87.348222][ T5330] RDX: 0000000000000002 RSI: 0000000000000fe0 RDI: 0000000000000007
[ 87.348229][ T5330] RBP: fffffffffffffff8 R08: ffff8880112ae4ff R09: 1ffff11002255c9f
[ 87.348235][ T5330] R10: dffffc0000000000 R11: ffffed1002255ca0 R12: 0000000000000000
[ 87.348242][ T5330] R13: dffffc0000000000 R14: 0000000000000fe0 R15: 0000200000000180
[ 87.348251][ T5330] ? strncpy_from_user+0x97/0x290
[ 87.348267][ T5330] getname_flags+0xf3/0x540
[ 87.348283][ T5330] do_sys_openat2+0xbc/0x1c0
[ 87.348295][ T5330] ? __pfx_do_sys_openat2+0x10/0x10
[ 87.348306][ T5330] ? exc_page_fault+0x82/0x100
[ 87.348320][ T5330] ? do_user_addr_fault+0xc85/0x1380
[ 87.348331][ T5330] __x64_sys_openat+0x138/0x170
[ 87.348342][ T5330] do_syscall_64+0xfa/0xfa0
[ 87.348356][ T5330] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.348369][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.348382][ T5330] ? clear_bhb_loop+0x60/0xb0
[ 87.348395][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.348407][ T5330] RIP: 0033:0x7fe1eef8f7c9
[ 87.348417][ T5330] 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
[ 87.348426][ T5330] RSP: 002b:00007fe1efd76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 87.348436][ T5330] RAX: ffffffffffffffda RBX: 00007fe1ef1e6090 RCX: 00007fe1eef8f7c9
[ 87.348443][ T5330] RDX: 0000000000000000 RSI: 0000200000000180 RDI: ffffffffffffff9c
[ 87.348451][ T5330] RBP: 00007fe1ef013f91 R08: 0000000000000000 R09: 0000000000000000
[ 87.348458][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 87.348465][ T5330] R13: 00007fe1ef1e6128 R14: 00007fe1ef1e6090 R15: 00007ffe3f54a0f8
[ 87.348477][ T5330]
[ 87.348480][ T5330]
[ 87.487567][ T5330] Allocated by task 5329:
[ 87.489675][ T5330] kasan_save_track+0x3e/0x80
[ 87.492226][ T5330] __kasan_slab_alloc+0x6c/0x80
[ 87.494830][ T5330] kmem_cache_alloc_noprof+0x367/0x6e0
[ 87.497579][ T5330] vm_area_alloc+0x24/0x140
[ 87.500031][ T5330] mmap_region+0xdcd/0x2110
[ 87.502485][ T5330] do_mmap+0xc45/0x10d0
[ 87.504708][ T5330] vm_mmap_pgoff+0x2a6/0x4d0
[ 87.506924][ T5330] ksys_mmap_pgoff+0x51f/0x760
[ 87.509479][ T5330] do_syscall_64+0xfa/0xfa0
[ 87.511828][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.514747][ T5330]
[ 87.515952][ T5330] Freed by task 5329:
[ 87.517912][ T5330] kasan_save_track+0x3e/0x80
[ 87.520020][ T5330] __kasan_save_free_info+0x46/0x50
[ 87.522224][ T5330] __kasan_slab_free+0x5c/0x80
[ 87.524225][ T5330] slab_free_after_rcu_debug+0x12c/0x2a0
[ 87.526489][ T5330] rcu_core+0xcab/0x1770
[ 87.528365][ T5330] handle_softirqs+0x286/0x870
[ 87.530301][ T5330] __irq_exit_rcu+0xca/0x1f0
[ 87.532259][ T5330] irq_exit_rcu+0x9/0x30
[ 87.534028][ T5330] sysvec_apic_timer_interrupt+0xa6/0xc0
[ 87.536576][ T5330] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 87.539106][ T5330]
[ 87.540252][ T5330] Last potentially related work creation:
[ 87.542945][ T5330] kasan_save_stack+0x3e/0x60
[ 87.545147][ T5330] kasan_record_aux_stack+0xbd/0xd0
[ 87.547465][ T5330] kmem_cache_free+0x4a2/0x690
[ 87.549712][ T5330] vms_complete_munmap_vmas+0x626/0x8a0
[ 87.551856][ T5330] mmap_region+0x11e1/0x2110
[ 87.553829][ T5330] do_mmap+0xc45/0x10d0
[ 87.555687][ T5330] do_shmat+0x96a/0xca0
[ 87.557508][ T5330] __x64_sys_shmat+0x9c/0xf0
[ 87.559518][ T5330] do_syscall_64+0xfa/0xfa0
[ 87.561431][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.563839][ T5330]
[ 87.564876][ T5330] The buggy address belongs to the object at ffff888011a9f140
[ 87.564876][ T5330] which belongs to the cache vm_area_struct of size 256
[ 87.570769][ T5330] The buggy address is located 88 bytes inside of
[ 87.570769][ T5330] freed 256-byte region [ffff888011a9f140, ffff888011a9f240)
[ 87.576380][ T5330]
[ 87.577354][ T5330] The buggy address belongs to the physical page:
[ 87.580066][ T5330] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a9f
[ 87.583819][ T5330] memcg:ffff8880124f2501
[ 87.585588][ T5330] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 87.588547][ T5330] page_type: f5(slab)
[ 87.590240][ T5330] raw: 00fff00000000000 ffff88803040eb40 ffffea000003e480 dead000000000004
[ 87.593690][ T5330] raw: 0000000000000000 00000000000c000c 00000000f5000000 ffff8880124f2501
[ 87.597367][ T5330] page dumped because: kasan: bad access detected
[ 87.600239][ T5330] page_owner tracks the page as allocated
[ 87.602653][ T5330] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 4686, tgid 4686 (modprobe), ts 27665621690, free_ts 27119385163
[ 87.610691][ T5330] post_alloc_hook+0x234/0x290
[ 87.612711][ T5330] get_page_from_freelist+0x2365/0x2440
[ 87.614940][ T5330] __alloc_frozen_pages_noprof+0x181/0x370
[ 87.617310][ T5330] alloc_pages_mpol+0x232/0x4a0
[ 87.619292][ T5330] allocate_slab+0x96/0x350
[ 87.621139][ T5330] ___slab_alloc+0xf56/0x1990
[ 87.623054][ T5330] __kmem_cache_alloc_bulk+0x1e2/0x590
[ 87.625252][ T5330] __pcs_replace_empty_main+0x292/0x540
[ 87.627689][ T5330] kmem_cache_alloc_noprof+0x453/0x6e0
[ 87.630043][ T5330] vm_area_dup+0x2b/0x680
[ 87.631999][ T5330] __split_vma+0x1a9/0xa00
[ 87.633902][ T5330] vms_gather_munmap_vmas+0x2e2/0x12e0
[ 87.636297][ T5330] mmap_region+0x722/0x2110
[ 87.638300][ T5330] do_mmap+0xc45/0x10d0
[ 87.640165][ T5330] vm_mmap_pgoff+0x2a6/0x4d0
[ 87.641985][ T5330] ksys_mmap_pgoff+0x51f/0x760
[ 87.643901][ T5330] page last free pid 1 tgid 1 stack trace:
[ 87.646535][ T5330] __free_frozen_pages+0xbc4/0xd30
[ 87.648738][ T5330] free_reserved_page+0xce/0x120
[ 87.650814][ T5330] free_reserved_area+0x90/0x190
[ 87.653010][ T5330] free_kernel_image_pages+0xa2/0x100
[ 87.655153][ T5330] kernel_init+0x31/0x1d0
[ 87.656884][ T5330] ret_from_fork+0x4bc/0x870
[ 87.658774][ T5330] ret_from_fork_asm+0x1a/0x30
[ 87.660742][ T5330]
[ 87.661741][ T5330] Memory state around the buggy address:
[ 87.664102][ T5330] ffff888011a9f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 87.667567][ T5330] ffff888011a9f100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 87.670905][ T5330] >ffff888011a9f180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 87.674404][ T5330] ^
[ 87.676537][ T5330] ffff888011a9f200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[ 87.679669][ T5330] ffff888011a9f280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 87.682429][ T5330] ==================================================================
[ 87.713677][ T5329] (syz.0.0,5329,0):ocfs2_read_blocks:239 ERROR: status = -12
[ 87.717148][ T5329] (syz.0.0,5329,0):ocfs2_get_clusters:627 ERROR: status = -12
[ 87.723268][ T5329] (syz.0.0,5329,0):ocfs2_extent_map_get_blocks:681 ERROR: status = -12
[ 87.726572][ T5329] (syz.0.0,5329,0):ocfs2_get_block:153 ERROR: get_blocks() failed, inode: 0xffff88800088cfb8, block: 7
[ 87.733338][ T5330] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 87.736347][ T5330] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 87.740299][ T5330] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 87.745021][ T5330] Call Trace:
[ 87.746451][ T5330]
[ 87.747658][ T5330] dump_stack_lvl+0x99/0x250
[ 87.749512][ T5330] ? __asan_memcpy+0x40/0x70
[ 87.751399][ T5330] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.753404][ T5330] ? __pfx__printk+0x10/0x10
[ 87.755255][ T5330] vpanic+0x237/0x6d0
[ 87.756879][ T5330] ? __pfx_vpanic+0x10/0x10
[ 87.758699][ T5330] ? preempt_schedule+0xae/0xc0
[ 87.760551][ T5330] ? __pfx_preempt_schedule+0x10/0x10
[ 87.763064][ T5330] panic+0xb9/0xc0
[ 87.764778][ T5330] ? __pfx_panic+0x10/0x10
[ 87.766718][ T5330] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 87.769267][ T5330] ? ocfs2_fault+0xd3/0x3f0
[ 87.771253][ T5330] check_panic_on_warn+0x89/0xb0
[ 87.773466][ T5330] ? ocfs2_fault+0xd3/0x3f0
[ 87.777140][ T5330] end_report+0x78/0x160
[ 87.778998][ T5330] kasan_report+0x129/0x150
[ 87.781033][ T5330] ? ocfs2_fault+0xd3/0x3f0
[ 87.783065][ T5330] ocfs2_fault+0xd3/0x3f0
[ 87.784607][ T5330] ? __pfx_ocfs2_fault+0x10/0x10
[ 87.786275][ T5330] __do_fault+0x138/0x390
[ 87.787781][ T5330] __handle_mm_fault+0x35e3/0x5400
[ 87.789992][ T5330] ? __pfx___handle_mm_fault+0x10/0x10
[ 87.792506][ T5330] ? find_vma+0xe7/0x160
[ 87.794350][ T5330] ? __pfx_find_vma+0x10/0x10
[ 87.796531][ T5330] handle_mm_fault+0x40a/0x8e0
[ 87.798676][ T5330] do_user_addr_fault+0x764/0x1380
[ 87.800758][ T5330] exc_page_fault+0x82/0x100
[ 87.802752][ T5330] asm_exc_page_fault+0x26/0x30
[ 87.804924][ T5330] RIP: 0010:strncpy_from_user+0xb7/0x290
[ 87.807403][ T5330] Code: 00 00 4c 89 f6 e8 29 10 fd fc 49 83 fe 07 0f 86 9d 00 00 00 48 89 1c 24 4c 89 74 24 08 48 c7 c5 f8 ff ff ff 45 31 e4 4c 89 fb <4f> 8b 34 27 48 b8 ff fe fe fe fe fe fe fe 4d 8d 3c 06 4d 89 f5 49
[ 87.815519][ T5330] RSP: 0018:ffffc9000f497d10 EFLAGS: 00050246
[ 87.817898][ T5330] RAX: ffffffff84c30807 RBX: 0000200000000180 RCX: ffff888000f88000
[ 87.820842][ T5330] RDX: 0000000000000002 RSI: 0000000000000fe0 RDI: 0000000000000007
[ 87.823761][ T5330] RBP: fffffffffffffff8 R08: ffff8880112ae4ff R09: 1ffff11002255c9f
[ 87.826763][ T5330] R10: dffffc0000000000 R11: ffffed1002255ca0 R12: 0000000000000000
[ 87.830077][ T5330] R13: dffffc0000000000 R14: 0000000000000fe0 R15: 0000200000000180
[ 87.833527][ T5330] ? strncpy_from_user+0x97/0x290
[ 87.835747][ T5330] getname_flags+0xf3/0x540
[ 87.837841][ T5330] do_sys_openat2+0xbc/0x1c0
[ 87.839884][ T5330] ? __pfx_do_sys_openat2+0x10/0x10
[ 87.841993][ T5330] ? exc_page_fault+0x82/0x100
[ 87.844177][ T5330] ? do_user_addr_fault+0xc85/0x1380
[ 87.846580][ T5330] __x64_sys_openat+0x138/0x170
[ 87.848760][ T5330] do_syscall_64+0xfa/0xfa0
[ 87.850669][ T5330] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.852974][ T5330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.855673][ T5330] ? clear_bhb_loop+0x60/0xb0
[ 87.857790][ T5330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.860302][ T5330] RIP: 0033:0x7fe1eef8f7c9
[ 87.862092][ T5330] 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
[ 87.869296][ T5330] RSP: 002b:00007fe1efd76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 87.872704][ T5330] RAX: ffffffffffffffda RBX: 00007fe1ef1e6090 RCX: 00007fe1eef8f7c9
[ 87.876070][ T5330] RDX: 0000000000000000 RSI: 0000200000000180 RDI: ffffffffffffff9c
[ 87.879354][ T5330] RBP: 00007fe1ef013f91 R08: 0000000000000000 R09: 0000000000000000
[ 87.882710][ T5330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 87.886087][ T5330] R13: 00007fe1ef1e6128 R14: 00007fe1ef1e6090 R15: 00007ffe3f54a0f8
[ 87.889296][ T5330]
[ 87.890836][ T5330] Kernel Offset: disabled
[ 87.892776][ T5330] Rebooting in 86400 seconds..