------------[ cut here ]------------ WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 6842 Comm: syz-executor.0 Not tainted 5.10.240 #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 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804cfdf9a8 EFLAGS: 00010212 RAX: 000000000000012b RBX: ffff88800e176700 RCX: ffffc90000e12000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff8880465895bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110099fbf3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fa05786c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa05a406000 CR3: 000000000f87a000 CR4: 0000000000350ee0 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 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa05a2f6b19 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:00007fa05786c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa05a409f60 RCX: 00007fa05a2f6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fa05a350f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd718a968f R14: 00007fa05786c300 R15: 0000000000022000 irq event stamp: 673 hardirqs last enabled at (683): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (692): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (230): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (177): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 4c0f25fa2cc475bb ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 6842 Comm: syz-executor.0 Tainted: G W 5.10.240 #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 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804cfdf9a8 EFLAGS: 00010202 RAX: 000000000001b1e0 RBX: ffff88800e176700 RCX: ffffc90000e12000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff8880465895bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110099fbf3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fa05786c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa05a406000 CR3: 000000000f87a000 CR4: 0000000000350ee0 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 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa05a2f6b19 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:00007fa05786c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa05a409f60 RCX: 00007fa05a2f6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fa05a350f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd718a968f R14: 00007fa05786c300 R15: 0000000000022000 irq event stamp: 1167 hardirqs last enabled at (1177): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1186): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (230): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (177): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 4c0f25fa2cc475bc ]--- loop1: detected capacity change from 0 to 2097152 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue ieee802154 phy0 wpan0: encryption failed: -22 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6856 Comm: syz-executor.3 Tainted: G W 5.10.240 #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_from_user+0x2e/0x1b0 lib/usercopy.c:15 copy_from_user include/linux/uaccess.h:192 [inline] copy_iovec_from_user lib/iov_iter.c:1687 [inline] iovec_from_user lib/iov_iter.c:1722 [inline] iovec_from_user+0x141/0x400 lib/iov_iter.c:1697 __import_iovec+0x67/0x590 lib/iov_iter.c:1740 import_iovec+0x83/0xb0 lib/iov_iter.c:1805 copy_msghdr_from_user net/socket.c:2316 [inline] sendmsg_copy_msghdr+0x131/0x160 net/socket.c:2409 ___sys_sendmsg+0xc6/0x170 net/socket.c:2428 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2461 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f1407a72b19 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:00007f1404fe8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1407b85f60 RCX: 00007f1407a72b19 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 00007f1404fe81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcc050669f R14: 00007f1404fe8300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 6842 Comm: syz-executor.0 Tainted: G W 5.10.240 #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 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804cfdf9a8 EFLAGS: 00010212 RAX: 000000000000012b RBX: ffff88801d1cee00 RCX: ffffc90000e12000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020400000 R08: 0000000000000000 R09: ffff8880465895bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110099fbf3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fa05786c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000014 CR3: 000000000f87a000 CR4: 0000000000350ee0 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 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa05a2f6b19 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:00007fa05786c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa05a409f60 RCX: 00007fa05a2f6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fa05a350f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd718a968f R14: 00007fa05786c300 R15: 0000000000022000 irq event stamp: 2227 hardirqs last enabled at (2237): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2246): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1970): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1905): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 4c0f25fa2cc475bd ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 6842 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 6842 Comm: syz-executor.0 Tainted: G W 5.10.240 #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 0a de 7c 02 31 ff 41 89 c6 89 c6 e8 be d8 d5 ff 45 85 f6 0f 85 5e fe ff ff e8 60 df d5 ff <0f> 0b e9 52 fe ff ff e8 54 df d5 ff 48 8d 43 50 48 89 c2 48 89 44 RSP: 0018:ffff88804cfdf9a8 EFLAGS: 00010212 RAX: 0000000000018d6f RBX: ffff88801d1cee00 RCX: ffffc90000e12000 RDX: 0000000000040000 RSI: ffffffff816aeed0 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff8880465895bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff110099fbf3e R13: ffffffff8567a47c R14: 0000000000000000 R15: 0000000000000001 FS: 00007fa05786c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000014 CR3: 000000000f87a000 CR4: 0000000000350ee0 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 __do_munmap+0xfae/0x1260 mm/mmap.c:2876 do_munmap mm/mmap.c:2930 [inline] munmap_vma_range mm/mmap.c:599 [inline] __mmap_region mm/mmap.c:1763 [inline] mmap_region+0x7c8/0x1500 mm/mmap.c:2953 do_mmap+0xcdb/0x11e0 mm/mmap.c:1590 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0xde/0x560 mm/mmap.c:1641 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa05a2f6b19 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:00007fa05786c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa05a409f60 RCX: 00007fa05a2f6b19 RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fa05a350f6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000002132 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd718a968f R14: 00007fa05786c300 R15: 0000000000022000 irq event stamp: 2717 hardirqs last enabled at (2727): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2736): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1970): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1905): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 4c0f25fa2cc475be ]---