FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 18295 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 INFO: trying to register non-static key. Call Trace: the code is fine but needs lockdep annotation. __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 turning off the locking correctness validator. handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88804f1df9c8 EFLAGS: 00010202 RAX: ffffed1009e3bf46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88804f1dfa28 RBP: 0000000000000008 R08: 0000000000000001 R09: ffffed1009e3bf46 R10: ffffed1009e3bf45 R11: ffff88804f1dfa2f R12: ffff88804f1dfa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88809ea3d800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 CPU: 0 PID: 18302 Comm: syz-executor.1 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768 __lock_acquire+0x180/0x42a0 kernel/locking/lockdep.c:3378 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xae/0x780 kernel/workqueue.c:2889 __cancel_work_timer+0x329/0x460 kernel/workqueue.c:2964 smc_close_active+0x684/0xb90 net/smc/smc_close.c:206 smc_release+0x40d/0x610 net/smc/af_smc.c:131 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x113/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x416651 RSP: 002b:00007ffff39e1130 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000416651 RDX: 0000000000000000 RSI: 00000000000009b8 RDI: 0000000000000006 RBP: 0000000000000001 R08: 00000000f5f069bb R09: 0000000000000000 R10: 00007ffff39e1220 R11: 0000000000000293 R12: 0000000000791b00 R13: 000000000004ca66 R14: ffffffffffffffff R15: 000000000078bf0c netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 18323 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88804bf1f9c8 EFLAGS: 00010202 RAX: ffffed10097e3f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88804bf1fa28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed10097e3f46 R10: ffffed10097e3f45 R11: ffff88804bf1fa2f R12: ffff88804bf1fa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88808cda9800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 18413 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff888058c779c8 EFLAGS: 00010202 RAX: ffffed100b18ef46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff888058c77a28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed100b18ef46 R10: ffffed100b18ef45 R11: ffff888058c77a2f R12: ffff888058c77a28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff888092b0c800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 18490 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff8880583af9c8 EFLAGS: 00010202 RAX: ffffed100b075f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff8880583afa28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed100b075f46 R10: ffffed100b075f45 R11: ffff8880583afa2f R12: ffff8880583afa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88808cda9000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed print_req_error: I/O error, dev loop1, sector 0 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed print_req_error: I/O error, dev loop1, sector 0 BTRFS error (device loop1): unsupported checksum algorithm 658 FAULT_FLAG_ALLOW_RETRY missing 30 BTRFS error (device loop1): superblock checksum mismatch CPU: 1 PID: 18570 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88804d2af9c8 EFLAGS: 00010202 RAX: ffffed1009a55f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88804d2afa28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed1009a55f46 R10: ffffed1009a55f45 R11: ffff88804d2afa2f R12: ffff88804d2afa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88809f2a3800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 000000000000000a RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed print_req_error: I/O error, dev loop1, sector 0 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 18638 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88804f1df9c8 EFLAGS: 00010202 RAX: ffffed1009e3bf46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88804f1dfa28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed1009e3bf46 R10: ffffed1009e3bf45 R11: ffff88804f1dfa2f R12: ffff88804f1dfa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88809e85c800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 18716 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88809b4379c8 EFLAGS: 00010202 RAX: ffffed1013686f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88809b437a28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed1013686f46 R10: ffffed1013686f45 R11: ffff88809b437a2f R12: ffff88809b437a28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88808bdf1000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 18716 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88809b4379c8 EFLAGS: 00010202 RAX: ffffed1013686f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88809b437a28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed1013686f46 R10: ffffed1013686f45 R11: ffff88809b437a2f R12: ffff88809b437a28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88809f2a3000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop3): open_ctree failed print_req_error: I/O error, dev loop3, sector 128 BTRFS error (device loop1): unsupported checksum algorithm 658 FAULT_FLAG_ALLOW_RETRY missing 30 BTRFS error (device loop1): superblock checksum mismatch CPU: 1 PID: 18790 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff8880523879c8 EFLAGS: 00010202 RAX: ffffed100a470f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff888052387a28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed100a470f46 R10: ffffed100a470f45 R11: ffff888052387a2f R12: ffff888052387a28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff888090d22000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000007 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop1): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch BTRFS error (device loop3): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 18857 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff88804c3cf9c8 EFLAGS: 00010202 RAX: ffffed1009879f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff88804c3cfa28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed1009879f46 R10: ffffed1009879f45 R11: ffff88804c3cfa2f R12: ffff88804c3cfa28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff88808de55800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4 BTRFS error (device loop3): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch BTRFS error (device loop3): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch BTRFS error (device loop3): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch BTRFS error (device loop3): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 print_req_error: I/O error, dev loop3, sector 0 BTRFS error (device loop1): superblock checksum mismatch BTRFS error (device loop1): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch print_req_error: I/O error, dev loop1, sector 0 BTRFS error (device loop3): open_ctree failed BTRFS error (device loop3): unsupported checksum algorithm 658 BTRFS error (device loop3): superblock checksum mismatch BTRFS error (device loop3): open_ctree failed BTRFS error (device loop1): unsupported checksum algorithm 658 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 18977 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 handle_userfault.cold+0x3b/0x4b fs/userfaultfd.c:429 do_anonymous_page+0x1074/0x17d0 mm/memory.c:3125 handle_pte_fault mm/memory.c:3987 [inline] __handle_mm_fault+0x1bf1/0x3670 mm/memory.c:4113 handle_mm_fault+0x306/0x794 mm/memory.c:4150 BTRFS error (device loop1): superblock checksum mismatch __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:66 RSP: 0018:ffff8880593b79c8 EFLAGS: 00010202 RAX: ffffed100b276f46 RBX: 0000000020013ff4 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000020013ff4 RDI: ffff8880593b7a28 RBP: 0000000000000008 R08: 0000000000000000 R09: ffffed100b276f46 R10: ffffed100b276f45 R11: ffff8880593b7a2f R12: ffff8880593b7a28 R13: 00007ffffffff000 R14: 0000000020013ffc R15: ffff8880a55ef800 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] _copy_from_user+0xbc/0x100 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:147 [inline] sctp_getsockopt_assoc_stats+0xab/0x530 net/sctp/socket.c:6498 sctp_getsockopt net/sctp/socket.c:7012 [inline] sctp_getsockopt+0x2269/0x4d76 net/sctp/socket.c:6861 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca59 RSP: 002b:00007fde13eabc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004df4a0 RCX: 000000000045ca59 RDX: 0000000000000070 RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000020002000 R09: 0000000000000000 R10: 0000000020013ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000018b R14: 00000000004d2688 R15: 00007fde13eac6d4