------------[ cut here ]------------ genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x6ce/0xa00 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x90f/0xe00 net/netlink/af_netlink.c:1914 WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 ____sys_sendmsg+0x70d/0x870 net/socket.c:2378 Modules linked in: CPU: 1 PID: 11443 Comm: syz-executor.2 Not tainted 5.10.245 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 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:ffff88804699fad8 EFLAGS: 00010216 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2461 RAX: 00000000000000ef RBX: ffff888048003600 RCX: ffffc9000580b000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020800000 R08: 0000000000000000 R09: ffff88801742b8bf do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11008d33f64 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f75fe79fb19 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 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:00007f75fbd15188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f75fe8b2f60 RCX: 00007f75fe79fb19 RDX: 0000000020004000 RSI: 00000000200002c0 RDI: 0000000000000003 FS: 00007f7d8c6b1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 RBP: 00007f75fbd151d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffff9464dff R14: 00007f75fbd15300 R15: 0000000000022000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d321000 CR3: 00000000471aa000 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: 0033:0x7f7d8f13bb19 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:00007f7d8c6b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f7d8f24ef60 RCX: 00007f7d8f13bb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f7d8f195f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff72ac783f R14: 00007f7d8c6b1300 R15: 0000000000022000 irq event stamp: 1145 hardirqs last enabled at (1155): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1164): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (640): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (563): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 25ea0fa7484eed0e ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:525 [inline] WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 i_mmap_assert_write_locked include/linux/fs.h:523 [inline] WARNING: CPU: 1 PID: 11443 at include/linux/fs.h:525 hugetlb_split+0x320/0xc50 mm/hugetlb.c:3716 Modules linked in: CPU: 1 PID: 11443 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:ffff88804699fad8 EFLAGS: 00010212 RAX: 000000000002f646 RBX: ffff888048003600 RCX: ffffc9000580b000 RDX: 0000000000040000 RSI: ffffffff816af820 RDI: 0000000000000005 RBP: 0000000020c00000 R08: 0000000000000000 R09: ffff88801742b8bf R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff11008d33f64 R13: ffffffff8567afbc R14: 0000000000000000 R15: 0000000000000001 FS: 00007f7d8c6b1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d321000 CR3: 00000000471aa000 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: 0033:0x7f7d8f13bb19 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:00007f7d8c6b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000149 RAX: ffffffffffffffda RBX: 00007f7d8f24ef60 RCX: 00007f7d8f13bb19 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020800000 RBP: 00007f7d8f195f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff72ac783f R14: 00007f7d8c6b1300 R15: 0000000000022000 irq event stamp: 1633 hardirqs last enabled at (1643): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1652): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 platform regulatory.0: loading /lib/firmware/updates/regulatory.db failed with error -12 softirqs last enabled at (640): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (563): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 25ea0fa7484eed0f ]--- platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable loop2: detected capacity change from 0 to 262144 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop2): re-mounted. Opts: (null) ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W