------------[ cut here ]------------ WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 6599 Comm: syz-executor.3 Not tainted 5.10.245 #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 ea 0a 7d 02 31 ff 41 89 c6 89 c6 e8 ee d3 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 90 da d5 ff <0f> 0b e9 52 fe ff ff e8 84 da d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888038d57ad8 EFLAGS: 00010212 RAX: 0000000000000133 RBX: ffff888008d94600 RCX: ffffc90001fe7000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88800fb2b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110071aaf64 netlink: 135 bytes leftover after parsing attributes in process `syz-executor.0'. R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 netlink: 2 bytes leftover after parsing attributes in process `syz-executor.0'. FS: 00007f913b082700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1cc23e6718 CR3: 0000000048ee6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2548 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2782 split_vma+0x99/0xe0 mm/mmap.c:2813 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: 0033:0x7f913db0cb19 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:00007f913b082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f913dc1ff60 RCX: 00007f913db0cb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f913db66f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc26f68b8f R14: 00007f913b082300 R15: 0000000000022000 irq event stamp: 1261 hardirqs last enabled at (1271): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1280): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (960): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (907): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 870faa75e16cff3a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 6599 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 6599 Comm: syz-executor.3 Tainted: G W 5.10.245 #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 ea 0a 7d 02 31 ff 41 89 c6 89 c6 e8 ee d3 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 90 da d5 ff <0f> 0b e9 52 fe ff ff e8 84 da d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff888038d57ad8 EFLAGS: 00010216 RAX: 000000000001f7ab RBX: ffff888008d94600 RCX: ffffc90001fe7000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020c00000 R08: 0000000000000000 R09: ffff88800fb2b1bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110071aaf64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f913b082700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1cc23e6718 CR3: 0000000048ee6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:843 vma_adjust include/linux/mm.h:2548 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2782 split_vma+0x99/0xe0 mm/mmap.c:2813 mprotect_fixup+0x669/0x8c0 mm/mprotect.c:467 netlink: 135 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor.0'. 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: 0033:0x7f913db0cb19 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:00007f913b082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f913dc1ff60 RCX: 00007f913db0cb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f913db66f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc26f68b8f R14: 00007f913b082300 R15: 0000000000022000 irq event stamp: 1811 hardirqs last enabled at (1821): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1830): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (960): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (907): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 870faa75e16cff3b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 6639 Comm: syz-executor.3 Tainted: G W 5.10.245 #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 ea 0a 7d 02 31 ff 41 89 c6 89 c6 e8 ee d3 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 90 da d5 ff <0f> 0b e9 52 fe ff ff e8 84 da d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88803d307ad8 EFLAGS: 00010212 RAX: 0000000000000133 RBX: ffff88800f03ae00 RCX: ffffc90001fe7000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff888017e49cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11007a60f64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f913b082700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7636915718 CR3: 0000000047cf0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbe8/0x2510 mm/mmap.c:842 vma_adjust include/linux/mm.h:2548 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2782 split_vma+0x99/0xe0 mm/mmap.c:2813 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: 0033:0x7f913db0cb19 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:00007f913b082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f913dc1ff60 RCX: 00007f913db0cb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f913db66f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc26f68b8f R14: 00007f913b082300 R15: 0000000000022000 irq event stamp: 815 hardirqs last enabled at (825): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (838): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (310): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (241): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 870faa75e16cff3c ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 0 PID: 6639 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 0 PID: 6639 Comm: syz-executor.3 Tainted: G W 5.10.245 #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 ea 0a 7d 02 31 ff 41 89 c6 89 c6 e8 ee d3 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 90 da d5 ff <0f> 0b e9 52 fe ff ff e8 84 da d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88803d307ad8 EFLAGS: 00010216 RAX: 00000000000193bf RBX: ffff88800f03ae00 RCX: ffffc90001fe7000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020c00000 R08: 0000000000000000 R09: ffff888017e49cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11007a60f64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000003 FS: 00007f913b082700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7636915718 CR3: 0000000047cf0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0xbf3/0x2510 mm/mmap.c:843 vma_adjust include/linux/mm.h:2548 [inline] __split_vma+0x41a/0x4e0 mm/mmap.c:2782 split_vma+0x99/0xe0 mm/mmap.c:2813 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: 0033:0x7f913db0cb19 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:00007f913b082188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f913dc1ff60 RCX: 00007f913db0cb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f913db66f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc26f68b8f R14: 00007f913b082300 R15: 0000000000022000 irq event stamp: 1431 hardirqs last enabled at (1443): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1454): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (310): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (241): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 870faa75e16cff3d ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 6641 Comm: syz-executor.1 Tainted: G W 5.10.245 #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 should_failslab+0x5/0x20 mm/slab_common.c:1200 slab_pre_alloc_hook mm/slab.h:512 [inline] slab_alloc_node mm/slub.c:2826 [inline] slab_alloc mm/slub.c:2909 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2914 __d_alloc+0x2a/0x990 fs/dcache.c:1714 d_alloc fs/dcache.c:1793 [inline] d_alloc_parallel+0x111/0x1bc0 fs/dcache.c:2547 proc_fill_cache+0x2f6/0x4a0 fs/proc/base.c:2129 proc_pid_readdir+0x3d3/0x830 fs/proc/base.c:3552 proc_root_readdir+0xa0/0xd0 fs/proc/root.c:336 iterate_dir+0x584/0x710 fs/readdir.c:65 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7febb9ba7b19 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:00007febb711d188 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007febb9cbaf60 RCX: 00007febb9ba7b19 RDX: 0000000000001000 RSI: 0000000020000880 RDI: 0000000000000004 RBP: 00007febb711d1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc30d011df R14: 00007febb711d300 R15: 0000000000022000