Oops: general protection fault, probably for non-canonical address 0xdffffc018f6bafbf: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000000c7b5d7df8-0x0000000c7b5d7dff] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor Not tainted 6.13.0-rc6-syzkaller-00059-g643e2e259c2b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:bpf_inode_storage_free+0x124/0x300 kernel/bpf/bpf_inode_storage.c:67 Code: 82 55 dc ff c6 05 97 4f 3f 0e 01 48 c7 c7 60 1b 12 8c be 53 03 00 00 48 c7 c2 a0 1b 12 8c e8 23 f7 b7 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 ed 2d 40 00 48 8b 1b e8 25 d3 fd RSP: 0018:ffffc90003f7fa78 EFLAGS: 00010202 RAX: 000000018f6bafbf RBX: 0000000c7b5d7df8 RCX: ffff888060611e00 RDX: 0000000000000000 RSI: ffffffff8c5edd40 RDI: ffffffff8c5edd00 RBP: 0000000000000001 R08: ffffffff81c31df3 R09: 1ffffffff284e310 R10: dffffc0000000000 R11: fffffbfff284e311 R12: dffffc0000000000 R13: 1ffff1100ab8842f R14: ffffffff81c31dc2 R15: dffffc0000000000 FS: 000055556d256500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d6d0bd000 CR3: 000000006061a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: security_inode_free+0xe3/0x1a0 security/security.c:1726 __destroy_inode+0x2d9/0x670 fs/inode.c:361 destroy_inode fs/inode.c:384 [inline] evict+0x785/0x9a0 fs/inode.c:827 dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f50b7587057 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd67fc4818 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f50b7587057 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd67fc48d0 RBP: 00007ffd67fc48d0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd67fc5950 R13: 00007f50b76018f4 R14: 00007ffd67fc5990 R15: 0000000000000007 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bpf_inode_storage_free+0x124/0x300 kernel/bpf/bpf_inode_storage.c:67 Code: 82 55 dc ff c6 05 97 4f 3f 0e 01 48 c7 c7 60 1b 12 8c be 53 03 00 00 48 c7 c2 a0 1b 12 8c e8 23 f7 b7 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 ed 2d 40 00 48 8b 1b e8 25 d3 fd RSP: 0018:ffffc90003f7fa78 EFLAGS: 00010202 RAX: 000000018f6bafbf RBX: 0000000c7b5d7df8 RCX: ffff888060611e00 RDX: 0000000000000000 RSI: ffffffff8c5edd40 RDI: ffffffff8c5edd00 RBP: 0000000000000001 R08: ffffffff81c31df3 R09: 1ffffffff284e310 R10: dffffc0000000000 R11: fffffbfff284e311 R12: dffffc0000000000 R13: 1ffff1100ab8842f R14: ffffffff81c31dc2 R15: dffffc0000000000 FS: 000055556d256500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5565bff000 CR3: 000000006061a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 55 push %rbp 1: dc ff fdivr %st,%st(7) 3: c6 05 97 4f 3f 0e 01 movb $0x1,0xe3f4f97(%rip) # 0xe3f4fa1 a: 48 c7 c7 60 1b 12 8c mov $0xffffffff8c121b60,%rdi 11: be 53 03 00 00 mov $0x353,%esi 16: 48 c7 c2 a0 1b 12 8c mov $0xffffffff8c121ba0,%rdx 1d: e8 23 f7 b7 ff call 0xffb7f745 22: 48 89 d8 mov %rbx,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 ed 2d 40 00 call 0x402e25 38: 48 8b 1b mov (%rbx),%rbx 3b: e8 .byte 0xe8 3c: 25 .byte 0x25 3d: d3 fd sar %cl,%ebp