general protection fault, probably for non-canonical address 0xe000020cad8d2cc5: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x000030656c696628-0x000030656c69662f] CPU: 0 PID: 24456 Comm: syz-executor.0 Not tainted 5.14.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kill_pending_fw_fallback_reqs+0x22e/0x370 drivers/base/firmware_loader/fallback.c:116 Code: d2 0f 85 86 00 00 00 c7 43 78 03 00 00 00 48 8d 7b 20 e8 35 cc ee fc e8 40 a6 0c fd 4d 8d a5 c0 00 00 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 75 46 49 8b 85 c0 00 00 00 4c 89 eb 48 2d c0 00 00 00 RSP: 0018:ffffc900034b77d0 EFLAGS: 00010207 RAX: 0000060cad8d2cc5 RBX: ffff88802fc58600 RCX: ffffc90001a99000 RDX: 0000000000040000 RSI: ffffffff84682a90 RDI: 0000000000000003 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8468292e R11: 0000000000000000 R12: 000030656c69662f R13: 000030656c69656f R14: 0000000000000001 R15: 0000000000000042 FS: 00007f43531ce700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000046 CR3: 000000003f52b000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fw_pm_notify+0xa2/0x140 drivers/base/firmware_loader/main.c:1450 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 notifier_call_chain_robust kernel/notifier.c:118 [inline] blocking_notifier_call_chain_robust kernel/notifier.c:302 [inline] blocking_notifier_call_chain_robust+0xc4/0x160 kernel/notifier.c:290 pm_notifier_call_chain_robust+0x26/0x60 kernel/power/main.c:87 snapshot_open+0x190/0x2a0 kernel/power/user.c:75 misc_open+0x372/0x4a0 drivers/char/misc.c:141 chrdev_open+0x266/0x770 fs/char_dev.c:414 do_dentry_open+0x4c8/0x11d0 fs/open.c:826 do_open fs/namei.c:3374 [inline] path_openat+0x1c23/0x27f0 fs/namei.c:3507 do_filp_open+0x1aa/0x400 fs/namei.c:3534 do_sys_openat2+0x16d/0x420 fs/open.c:1204 do_sys_open fs/open.c:1220 [inline] __do_sys_openat fs/open.c:1236 [inline] __se_sys_openat fs/open.c:1231 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1231 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f43531ce188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000080 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd8d11fe9f R14: 00007f43531ce300 R15: 0000000000022000 Modules linked in: ---[ end trace 8b2401410ed15268 ]--- RIP: 0010:kill_pending_fw_fallback_reqs+0x22e/0x370 drivers/base/firmware_loader/fallback.c:116 Code: d2 0f 85 86 00 00 00 c7 43 78 03 00 00 00 48 8d 7b 20 e8 35 cc ee fc e8 40 a6 0c fd 4d 8d a5 c0 00 00 00 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 75 46 49 8b 85 c0 00 00 00 4c 89 eb 48 2d c0 00 00 00 RSP: 0018:ffffc900034b77d0 EFLAGS: 00010207 RAX: 0000060cad8d2cc5 RBX: ffff88802fc58600 RCX: ffffc90001a99000 RDX: 0000000000040000 RSI: ffffffff84682a90 RDI: 0000000000000003 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8468292e R11: 0000000000000000 R12: 000030656c69662f R13: 000030656c69656f R14: 0000000000000001 R15: 0000000000000042 FS: 00007f43531ce700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000970004 CR3: 000000003f52b000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400