Hello, syzbot found the following crash on: HEAD commit: abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15336041a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0 dashboard link: https://syzkaller.appspot.com/bug?extid=bd3bba6ff3fcea7a6ec6compiler: clang version 9.0.0 (/home/glider/llvm/clang 80fee25776c2fb61e74c1ecb1a523375c2500b69)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ae828aa00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+bd3bba6ff3fcea7a6ec6@xxxxxxxxxxxxxxxxxxxxxxxxx WARNING: CPU: 1 PID: 8444 at kernel/bpf/core.c:851 bpf_jit_free+0x1a8/0x1f0 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x2f8 lib/dump_stack.c:113 panic+0x28a/0x7c9 kernel/panic.c:219 BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886f758 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886f790 R08: ffffffff818032cb R09: ffffed1015d66bf8 R10: ffffed1015d66bf8 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886f2e0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886f318 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#3] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886ee60 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886ee98 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#4] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886e9e0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886ea18 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#5] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886e560 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886e598 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#6] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886e0e0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886e118 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#7] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886dc60 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886dc98 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#8] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886d7e0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886d818 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#9] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886d360 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886d398 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#10] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886cee0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886cf18 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#11] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886ca60 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886ca98 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page fault for address: fffffbfff400c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 21ffee067 P4D 21ffee067 PUD 21ffed067 PMD a3fe2067 PTE 0 Oops: 0000 [#12] PREEMPT SMP KASAN CPU: 1 PID: 8444 Comm: kworker/1:5 Not tainted 5.2.0-rc5+ #4Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:537 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:600 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find kernel/bpf/core.c:674 [inline] RIP: 0010:is_bpf_text_address+0x201/0x3b0 kernel/bpf/core.c:709Code: 25 81 f5 ff 4d 39 f4 76 10 e8 1b 7f f5 ff 49 83 c7 10 eb 46 0f 1f 44 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 7d 41 8b 1c 24 48 c1 e3 0c 4c 01 e3 48 89 df
RSP: 0018:ffff88808886c5e0 EFLAGS: 00010806 RAX: 1ffffffff400c000 RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffff8880961b8680 RSI: ffffffffffffffff RDI: ffffffffa0060000 RBP: ffff88808886c618 R08: ffffffff818032cb R09: 0000000000000001 R10: ffffffff81811539 R11: 1ffff11015d66bf7 R12: ffffffffa0060000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffff88808914cab8 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff400c000 CR3: 00000000a3ba4000 CR4: 00000000001406e0 Call Trace: BUG: unable to handle page --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
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