IPVS: ftp: loaded support on port[0] = 21 autofs4:pid:10863:autofs_fill_super: called with bogus options netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38 shift exponent -246 is negative CPU: 0 PID: 10864 Comm: syz-executor.1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x96/0x126 net/core/gen_estimator.c:87 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x0/0x8e0 kernel/locking/lockdep.c:3916 Code: 00 4c 8b 4c 24 10 e9 9f fd ff ff 48 c7 c7 40 0e 41 8d e8 d3 1e 53 00 e9 dc fd ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 89 d5 41 54 55 RSP: 0018:ffff8880448cf710 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815f12ec RDX: ffffffff81b1c07b RSI: 0000000000000001 RDI: ffffffff897351e0 RBP: ffffea000220e780 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea000220e788 R14: 0000000000000000 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x543/0x1230 mm/rmap.c:1300 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1325/0x2ec0 mm/memory.c:1511 unmap_single_vma+0x198/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x530 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xb12/0x2d80 kernel/exit.c:874 do_group_exit+0x125/0x320 kernel/exit.c:990 get_signal+0x3f3/0x2270 kernel/signal.c:2588 do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f17b4adec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffff2 RBX: 0000000000013180 RCX: 000000000045e179 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc485928bf R14: 00007f17b4adf9c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:88:23 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 10864 Comm: syz-executor.1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0xd6/0x126 net/core/gen_estimator.c:88 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x0/0x8e0 kernel/locking/lockdep.c:3916 Code: 00 4c 8b 4c 24 10 e9 9f fd ff ff 48 c7 c7 40 0e 41 8d e8 d3 1e 53 00 e9 dc fd ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 89 d5 41 54 55 RSP: 0018:ffff8880448cf710 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815f12ec RDX: ffffffff81b1c07b RSI: 0000000000000001 RDI: ffffffff897351e0 RBP: ffffea000220e780 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea000220e788 R14: 0000000000000000 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x543/0x1230 mm/rmap.c:1300 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1325/0x2ec0 mm/memory.c:1511 unmap_single_vma+0x198/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x530 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xb12/0x2d80 kernel/exit.c:874 do_group_exit+0x125/0x320 kernel/exit.c:990 get_signal+0x3f3/0x2270 kernel/signal.c:2588 do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f17b4adec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffff2 RBX: 0000000000013180 RCX: 000000000045e179 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc485928bf R14: 00007f17b4adf9c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46 shift exponent -246 is negative CPU: 0 PID: 10864 Comm: syz-executor.1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x17/0x126 net/core/gen_estimator.c:90 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x0/0x8e0 kernel/locking/lockdep.c:3916 Code: 00 4c 8b 4c 24 10 e9 9f fd ff ff 48 c7 c7 40 0e 41 8d e8 d3 1e 53 00 e9 dc fd ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 89 d5 41 54 55 RSP: 0018:ffff8880448cf710 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815f12ec RDX: ffffffff81b1c07b RSI: 0000000000000001 RDI: ffffffff897351e0 RBP: ffffea000220e780 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea000220e788 R14: 0000000000000000 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x543/0x1230 mm/rmap.c:1300 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1325/0x2ec0 mm/memory.c:1511 unmap_single_vma+0x198/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x530 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xb12/0x2d80 kernel/exit.c:874 do_group_exit+0x125/0x320 kernel/exit.c:990 get_signal+0x3f3/0x2270 kernel/signal.c:2588 do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f17b4adec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffff2 RBX: 0000000000013180 RCX: 000000000045e179 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc485928bf R14: 00007f17b4adf9c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:91:22 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 10864 Comm: syz-executor.1 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x5b/0x126 net/core/gen_estimator.c:91 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x0/0x8e0 kernel/locking/lockdep.c:3916 Code: 00 4c 8b 4c 24 10 e9 9f fd ff ff 48 c7 c7 40 0e 41 8d e8 d3 1e 53 00 e9 dc fd ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 49 89 d5 41 54 55 RSP: 0018:ffff8880448cf710 EFLAGS: 00000217 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815f12ec RDX: ffffffff81b1c07b RSI: 0000000000000001 RDI: ffffffff897351e0 RBP: ffffea000220e780 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea000220e788 R14: 0000000000000000 R15: dead000000000100 page_remove_file_rmap mm/rmap.c:1249 [inline] page_remove_rmap+0x543/0x1230 mm/rmap.c:1300 zap_pte_range mm/memory.c:1338 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0x1325/0x2ec0 mm/memory.c:1511 unmap_single_vma+0x198/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x530 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xb12/0x2d80 kernel/exit.c:874 do_group_exit+0x125/0x320 kernel/exit.c:990 get_signal+0x3f3/0x2270 kernel/signal.c:2588 do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f17b4adec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffff2 RBX: 0000000000013180 RCX: 000000000045e179 RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc485928bf R14: 00007f17b4adf9c0 R15: 000000000118cf4c ================================================================================ autofs4:pid:10894:autofs_fill_super: called with bogus options autofs4:pid:10906:autofs_fill_super: called with bogus options autofs4:pid:10918:autofs_fill_super: called with bogus options autofs4:pid:10936:autofs_fill_super: called with bogus options audit: type=1800 audit(1601274358.931:32): pid=10946 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=16032 res=0 audit: type=1800 audit(1601274359.021:33): pid=10950 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=16032 res=0 BTRFS: device fsid 70346104-831d-4a1b-a4a9-01350560c10f devid 1 transid 7 /dev/loop4 autofs4:pid:10960:autofs_fill_super: called with bogus options BTRFS error (device loop4): unsupported checksum algorithm 2 autofs4:pid:10972:autofs_fill_super: called with bogus options BTRFS error (device loop4): superblock checksum mismatch BTRFS error (device loop4): open_ctree failed autofs4:pid:10977:autofs_fill_super: called with bogus options BTRFS error (device loop4): unsupported checksum algorithm 2 BTRFS error (device loop4): superblock checksum mismatch BTRFS error (device loop4): open_ctree failed autofs4:pid:10987:autofs_fill_super: called with bogus options audit: type=1800 audit(1601274359.751:34): pid=10996 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=16032 res=0 autofs4:pid:10997:autofs_fill_super: called with bogus options audit: type=1800 audit(1601274359.801:35): pid=10946 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=16032 res=0 autofs4:pid:11021:autofs_fill_super: called with bogus options autofs4:pid:11040:autofs_fill_super: called with bogus options JFS: discard option not supported on device JFS: discard option not supported on device autofs4:pid:11052:autofs_fill_super: called with bogus options autofs4:pid:11063:autofs_fill_super: called with bogus options autofs4:pid:11074:autofs_fill_super: called with bogus options autofs4:pid:11085:autofs_fill_super: called with bogus options autofs4:pid:11094:autofs_fill_super: called with bogus options autofs4:pid:11152:autofs_fill_super: called with bogus options autofs4:pid:11165:autofs_fill_super: called with bogus options autofs4:pid:11173:autofs_fill_super: called with bogus options FAT-fs (loop3): Directory bread(block 6) failed IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET)