BUG: unable to handle kernel NULL pointer dereference at 00000000000001a6 PGD 433c6067 P4D 433c6067 PUD 8f363067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 573 Comm: syz-executor.3 Not tainted 4.19.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_syscall_64+0x10e/0x620 arch/x86/entry/common.c:293 Code: 03 80 3c 02 00 0f 85 c3 04 00 00 48 89 ef ff 14 dd 40 46 60 87 48 8d 7d 50 48 ba 00 00 00 00 00 fc ff df 48 77 00 70 07 70 07 <00> 00 00 00 00 00 be 04 00 00 48 89 45 50 e8 8f fd 66 00 48 b8 00 RSP: 0018:ffff8880416f7f28 EFLAGS: 00010286 RAX: 00000000000001a6 RBX: 0000000000000001 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff81a6c7e8 RDI: ffff8880416f7fa8 RBP: ffff8880416f7f58 R08: ffff88809fa28300 R09: ffffed1011e3b477 R10: ffffed1011e3b476 R11: ffff88808f1da3b7 R12: 0000000000000000 R13: ffffffff88b25698 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fb87537c700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000001a6 CR3: 0000000087b2b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c479 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb87537bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb87537c6d4 RCX: 000000000045c479 RDX: 00000000000001a6 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000cda R14: 00000000004cebe8 R15: 000000000076bf2c Modules linked in: CR2: 00000000000001a6 BUG: unable to handle kernel paging request at 00000000000022f2 PGD 4f5b8067 P4D 4f5b8067 PUD 4f5b9067 PMD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 1 PID: 8099 Comm: syz-executor.5 Tainted: G D 4.19.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_syscall_64+0x10e/0x620 arch/x86/entry/common.c:293 Code: 03 80 3c 02 00 0f 85 c3 04 00 00 48 89 ef ff 14 dd 40 46 60 87 48 8d 7d 50 48 ba 00 00 00 00 00 fc ff df 48 77 00 70 07 70 07 <00> 00 00 00 00 00 be 04 00 00 48 89 45 50 e8 8f fd 66 00 48 b8 00 RSP: 0018:ffff88804f5d7f28 EFLAGS: 00010286 RAX: 00000000000022f2 RBX: 0000000000000038 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff813c8d3c RDI: ffff88804f5d7fa8 RBP: ffff88804f5d7f58 R08: ffff88804f5c8700 R09: ffffed1012c541c1 R10: ffffed1012c541c0 R11: ffff8880962a0e03 R12: 0000000000000000 R13: ffffffff88b25698 R14: 0000000000000000 R15: 0000000000000000 FS: 000000000139d940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000022f2 CR3: 000000004f5b7000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45aa4a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffe5e369b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffe5e369b70 RCX: 000000000045aa4a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffe5e369bb0 R08: 0000000000000001 R09: 000000000139d940 R10: 000000000139dc10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe5e369c00 Modules linked in: CR2: 00000000000022f2 BUG: unable to handle kernel paging request at fffffffff1010d80 PGD 8a70067 P4D 8a70067 PUD 8a72067 PMD 0 Oops: 0000 [#3] PREEMPT SMP KASAN CPU: 0 PID: 574 Comm: syz-executor.5 Tainted: G D 4.19.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline] RIP: 0010:syscall_return_slowpath+0x54/0x4a0 arch/x86/entry/common.c:258 Code: 02 00 0f 85 ef 03 00 00 48 c7 c0 80 56 b2 88 48 8b 2b 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 da 03 00 00 <48> 83 3d b4 77 00 70 07 70 07 70 07 00 00 00 00 02 67 00 9c 58 0f RSP: 0018:ffff88804603ff30 EFLAGS: 00010246 RAX: 1ffffffff1164ad0 RBX: ffff888042796200 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8100957e RDI: ffff88804603ff58 RBP: 0000000000000000 R08: ffff888042796200 R09: ffffed101356a662 R10: ffffed101356a661 R11: ffff88809ab5330b R12: ffff88804603ff58 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 000000000139d940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffff1010d80 CR3: 000000009fdbc000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:407 RIP: 0033:0x45aa4a Code: Bad RIP value. RSP: 002b:00007ffe5e369b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 00007ffe5e369b70 RCX: 000000000045aa4a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffe5e369bb0 R08: 0000000000000001 R09: 000000000139d940 R10: 000000000139dc10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe5e369c00 Modules linked in: CR2: fffffffff1010d80 ---[ end trace 8e3dd8a050510b33 ]--- BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 RIP: 0010:do_syscall_64+0x10e/0x620 arch/x86/entry/common.c:293 PGD 94f58067 P4D 94f58067 PUD 94f59067 PMD 0 Code: 03 80 3c 02 00 0f 85 c3 04 00 00 48 89 ef ff 14 dd 40 46 60 87 48 8d 7d 50 48 ba 00 00 00 00 00 fc ff df 48 77 00 70 07 70 07 <00> 00 00 00 00 00 be 04 00 00 48 89 45 50 e8 8f fd 66 00 48 b8 00 Oops: 0002 [#4] PREEMPT SMP KASAN RSP: 0018:ffff8880416f7f28 EFLAGS: 00010286 CPU: 1 PID: 8088 Comm: syz-executor.2 Tainted: G D 4.19.107-syzkaller #0 RAX: 00000000000001a6 RBX: 0000000000000001 RCX: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RDX: dffffc0000000000 RSI: ffffffff81a6c7e8 RDI: ffff8880416f7fa8 RIP: 0010:do_syscall_64+0x10e/0x620 arch/x86/entry/common.c:293 RBP: ffff8880416f7f58 R08: ffff88809fa28300 R09: ffffed1011e3b477 Code: 03 80 3c 02 00 0f 85 c3 04 00 00 48 89 ef ff 14 dd 40 46 60 87 48 8d 7d 50 48 ba 00 00 00 00 00 fc ff df 48 77 00 70 07 70 07 <00> 00 00 00 00 00 be 04 00 00 48 89 45 50 e8 8f fd 66 00 48 b8 00 R10: ffffed1011e3b476 R11: ffff88808f1da3b7 R12: 0000000000000000 RSP: 0018:ffff888094c8ff28 EFLAGS: 00010286 R13: ffffffff88b25698 R14: 0000000000000000 R15: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 FS: 000000000139d940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 RDX: dffffc0000000000 RSI: ffffffff85943397 RDI: ffff888094c8ffa8 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff888094c8ff58 R08: ffff888094c82440 R09: 0000000000000000 CR2: 000000000045aa20 CR3: 000000009fdbc000 CR4: 00000000001426f0 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 R13: ffffffff88b25698 R14: 0000000000000000 R15: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 FS: 0000000002674940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000