------------[ cut here ]------------ WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 12384 Comm: syz-executor.2 Not tainted 5.10.239 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 4a cb 7c 02 31 ff 41 89 c6 89 c6 e8 3e d9 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 e0 df d5 ff <0f> 0b e9 52 fe ff ff e8 d4 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff8880580ffad8 EFLAGS: 00010212 RAX: 0000000000000126 RBX: ffff88800d9f2a00 RCX: ffffc90001feb000 RDX: 0000000000040000 RSI: ffffffff816af0e0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88801e050ebf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100b01ff64 R13: ffffffff856799bc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f5ee1dff700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d43e25d58 CR3: 000000001e33a000 CR4: 0000000000350ef0 DR0: 0000000100000000 DR1: 0000000100000000 DR2: 0000000100000000 DR3: 0000000100000000 DR6: 00000000ffff0ff0 DR7: 00000000111106aa Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:841 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 split_vma+0x99/0xe0 mm/mmap.c:2809 mprotect_fixup+0x669/0x8c0 mm/mprotect.c:467 do_mprotect_pkey+0x518/0x940 mm/mprotect.c:619 __do_sys_pkey_mprotect mm/mprotect.c:652 [inline] __se_sys_pkey_mprotect mm/mprotect.c:649 [inline] __x64_sys_pkey_mprotect+0x93/0x100 mm/mprotect.c:649 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5ee4889b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5ee1dff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f5ee499cf60 RCX: 00007f5ee4889b19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f5ee48e3f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefc438daf R14: 00007f5ee1dff300 R15: 0000000000022000 irq event stamp: 1059 hardirqs last enabled at (1071): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1082): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (578): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (503): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace c2dc74186f83f4bd ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 12384 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 12384 Comm: syz-executor.2 Tainted: G W 5.10.239 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:525 [inline] RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:523 [inline] RIP: 0010:hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Code: 00 00 31 f6 48 81 c7 e0 00 00 00 e8 4a cb 7c 02 31 ff 41 89 c6 89 c6 e8 3e d9 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 e0 df d5 ff <0f> 0b e9 52 fe ff ff e8 d4 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff8880580ffad8 EFLAGS: 00010212 RAX: 000000000001a9e4 RBX: ffff88800d9f2a00 RCX: ffffc90001feb000 RDX: 0000000000040000 RSI: ffffffff816af0e0 RDI: 0000000000000005 RBP: 0000000020c00000 R08: 0000000000000000 R09: ffff88801e050ebf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff1100b01ff64 R13: ffffffff856799bc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f5ee1dff700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d43e25d58 CR3: 000000001e33a000 CR4: 0000000000350ef0 DR0: 0000000100000000 DR1: 0000000100000000 DR2: 0000000100000000 DR3: 0000000100000000 DR6: 00000000ffff0ff0 DR7: 00000000111106aa Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2537 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2778 split_vma+0x99/0xe0 mm/mmap.c:2809 mprotect_fixup+0x669/0x8c0 mm/mprotect.c:467 do_mprotect_pkey+0x518/0x940 mm/mprotect.c:619 __do_sys_pkey_mprotect mm/mprotect.c:652 [inline] __se_sys_pkey_mprotect mm/mprotect.c:649 [inline] __x64_sys_pkey_mprotect+0x93/0x100 mm/mprotect.c:649 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5ee4889b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5ee1dff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f5ee499cf60 RCX: 00007f5ee4889b19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f5ee48e3f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefc438daf R14: 00007f5ee1dff300 R15: 0000000000022000 irq event stamp: 1597 hardirqs last enabled at (1605): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1614): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (578): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (503): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace c2dc74186f83f4be ]--- FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 12391 Comm: syz-executor.7 Tainted: G W 5.10.239 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 _copy_to_user+0x2e/0x180 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:200 [inline] simple_read_from_buffer+0xcc/0x160 fs/libfs.c:729 proc_fail_nth_read+0x198/0x230 fs/proc/base.c:1482 vfs_read+0x228/0x620 fs/read_write.c:494 ksys_read+0x12d/0x260 fs/read_write.c:634 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fad2f62f69c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007fad2cbf2170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad2f62f69c RDX: 000000000000000f RSI: 00007fad2cbf21e0 RDI: 0000000000000004 RBP: 00007fad2cbf21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcc1f4aeff R14: 00007fad2cbf2300 R15: 0000000000022000 audit: type=1326 audit(1752748984.638:71): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 audit: type=1326 audit(1752748984.638:72): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 loop3: detected capacity change from 0 to 16776704 audit: type=1326 audit(1752748984.646:73): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=298 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 EXT4-fs (loop3): Unrecognized mount option "noak)&zy_Vv" or missing value audit: type=1326 audit(1752748984.646:74): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 audit: type=1326 audit(1752748984.646:75): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 loop3: detected capacity change from 0 to 16776704 audit: type=1326 audit(1752748984.651:76): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=319 compat=0 ip=0x7fa8375a0b19 code=0x7ffc0000 EXT4-fs (loop3): Unrecognized mount option "noak)&zy_Vv" or missing value audit: type=1326 audit(1752748984.652:77): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=77 compat=0 ip=0x7fa8375a0ad7 code=0x7ffc0000 audit: type=1326 audit(1752748984.652:78): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=18 compat=0 ip=0x7fa837553ab7 code=0x7ffc0000 audit: type=1326 audit(1752748984.652:79): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=18 compat=0 ip=0x7fa837553ab7 code=0x7ffc0000 audit: type=1326 audit(1752748984.652:80): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12395 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=18 compat=0 ip=0x7fa837553ab7 code=0x7ffc0000