RBP: 00007fa8781bc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000022 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe055b8c3f R14: 00007fa8781bc300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 10730 Comm: syz-executor.2 Not tainted 5.10.245 #1 netlink: 124 bytes leftover after parsing attributes in process `syz-executor.0'. 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:ffff888046627ad8 EFLAGS: 00010216 RAX: 000000000000013d RBX: ffff88801aee3100 RCX: ffffc90001be9000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff8880487d1cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11008cc4f64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f5e35efb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d221000 CR3: 0000000046be2000 CR4: 0000000000350ee0 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: 0033:0x7f5e38985b19 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:00007f5e35efb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 tmpfs: Unknown parameter 'ÿÿ01777777777777777777777ÿÿÿÿÿÿÿÿ18446744073709551615' RAX: ffffffffffffffda RBX: 00007f5e38a98f60 RCX: 00007f5e38985b19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f5e389dff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1b66a77f R14: 00007f5e35efb300 R15: 0000000000022000 irq event stamp: 761 hardirqs last enabled at (769): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (778): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (334): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (265): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace a9f3edf71091298e ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 10730 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 10730 Comm: syz-executor.2 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:ffff888046627ad8 EFLAGS: 00010216 RAX: 000000000002279b RBX: ffff88801aee3100 RCX: ffffc90001be9000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020c00000 R08: 0000000000000000 R09: ffff8880487d1cbf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11008cc4f64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f5e35efb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d221000 CR3: 0000000046be2000 CR4: 0000000000350ee0 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: 0033:0x7f5e38985b19 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:00007f5e35efb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f5e38a98f60 RCX: 00007f5e38985b19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f5e389dff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1b66a77f R14: 00007f5e35efb300 R15: 0000000000022000 irq event stamp: 1273 hardirqs last enabled at (1283): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1294): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (334): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (265): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace a9f3edf71091298f ]--- loop1: detected capacity change from 0 to 8388096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 10752 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 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_msghdr_from_user+0x91/0x4b0 net/socket.c:2260 copy_msghdr_from_user net/socket.c:2311 [inline] recvmsg_copy_msghdr net/socket.c:2563 [inline] ___sys_recvmsg+0xd5/0x200 net/socket.c:2635 do_recvmmsg+0x24c/0x6d0 net/socket.c:2733 __sys_recvmmsg net/socket.c:2812 [inline] __do_sys_recvmmsg net/socket.c:2835 [inline] __se_sys_recvmmsg net/socket.c:2828 [inline] __x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2828 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa87ac46b19 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:00007fa8781bc188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fa87ad59f60 RCX: 00007fa87ac46b19 RDX: 0000000000000500 RSI: 0000000020007940 RDI: 0000000000000006 RBP: 00007fa8781bc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000022 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe055b8c3f R14: 00007fa8781bc300 R15: 0000000000022000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. loop1: detected capacity change from 0 to 8388096 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready