FAT-fs (loop5): count of clusters too big (15727870) FAT-fs (loop5): Can't find a valid FAT filesystem ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 1 PID: 60850 at net/mac80211/driver-ops.h:172 drv_bss_info_changed+0x5c0/0x750 net/mac80211/driver-ops.h:172 Modules linked in: CPU: 1 PID: 60850 Comm: syz-executor.0 Not tainted 5.10.170 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:drv_bss_info_changed+0x5c0/0x750 net/mac80211/driver-ops.h:172 Code: a8 03 00 00 48 85 ed 0f 84 04 01 00 00 e8 b8 43 90 fd e8 b3 43 90 fd 8b 54 24 04 48 89 ee 48 c7 c7 a0 4c 95 84 e8 c7 c2 24 00 <0f> 0b e9 91 fd ff ff e8 94 43 90 fd e8 9f d2 31 00 31 ff 89 c3 89 RSP: 0018:ffff88804e3c7508 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81299963 RDI: ffffed1009c78e93 RBP: ffff888046798000 R08: 0000000000000001 R09: ffff88806cf37b4f R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046798bc0 R13: 0000000002000000 R14: ffff888046799da0 R15: ffff888046799d98 FS: 00007fc2b53d8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffab7432cc0 CR3: 000000000cda8000 CR4: 0000000000350ee0 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:210 ieee80211_set_mcast_rate+0x37/0x50 net/mac80211/cfg.c:2564 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline] nl80211_set_mcast_rate+0x30b/0x5a0 net/wireless/nl80211.c:10215 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 CPU: 0 PID: 60861 Comm: syz-executor.3 Not tainted 5.10.170 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x360 mm/slub.c:2909 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800 kmem_cache_zalloc include/linux/slab.h:654 [inline] jbd2_alloc_handle include/linux/jbd2.h:1554 [inline] new_handle fs/jbd2/transaction.c:464 [inline] jbd2__journal_start+0x190/0x890 fs/jbd2/transaction.c:491 __ext4_journal_start_sb+0x214/0x430 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:328 [inline] ext4_iomap_alloc fs/ext4/inode.c:3469 [inline] ext4_iomap_begin+0x485/0x700 fs/ext4/inode.c:3541 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2525 iomap_apply+0x164/0x9e0 fs/iomap/apply.c:46 __iomap_dio_rw+0x6cd/0x11a0 fs/iomap/direct-io.c:517 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x549/0x7f0 net/netlink/af_netlink.c:1348 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_write_iter fs/ext4/file.c:575 [inline] ext4_file_write_iter+0xb26/0x18e0 fs/ext4/file.c:685 netlink_sendmsg+0x905/0xdf0 net/netlink/af_netlink.c:1944 call_write_iter include/linux/fs.h:1918 [inline] do_iter_readv_writev+0x476/0x750 fs/read_write.c:740 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x154/0x190 net/socket.c:671 ____sys_sendmsg+0x70d/0x870 net/socket.c:2356 do_iter_write+0x191/0x670 fs/read_write.c:866 vfs_iter_write+0x70/0xa0 fs/read_write.c:907 iter_file_splice_write+0x762/0xc30 fs/splice.c:686 ___sys_sendmsg+0xf3/0x170 net/socket.c:2410 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x10f/0x170 fs/splice.c:933 splice_direct_to_actor+0x387/0x980 fs/splice.c:888 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x1040 fs/read_write.c:1257 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f99cb3e5b19 entry_SYSCALL_64_after_hwframe+0x61/0xc6 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:00007f99c895b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RIP: 0033:0x7fc2b7e62b19 RAX: ffffffffffffffda RBX: 00007f99cb4f8f60 RCX: 00007f99cb3e5b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 RBP: 00007f99c895b1d0 R08: 0000000000000000 R09: 0000000000000000 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 R10: 000000007ffffff9 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdafdd079f R14: 00007f99c895b300 R15: 0000000000022000 RSP: 002b:00007fc2b53d8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc2b7f75f60 RCX: 00007fc2b7e62b19 RDX: 0000000000000000 RSI: 0000000020000f00 RDI: 0000000000000004 RBP: 00007fc2b7ebcf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7449f44f R14: 00007fc2b53d8300 R15: 0000000000022000 irq event stamp: 3777 hardirqs last enabled at (3787): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2561 hardirqs last disabled at (3796): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2476 softirqs last enabled at (3564): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (3559): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 2dbe0d456103e926 ]--- device syz_tun entered promiscuous mode device syz_tun left promiscuous mode FAT-fs (loop5): count of clusters too big (15727870) FAT-fs (loop5): Can't find a valid FAT filesystem FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 61143 Comm: syz-executor.3 Tainted: G W 5.10.170 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x360 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x360 mm/slub.c:2909 kmem_cache_zalloc include/linux/slab.h:654 [inline] jbd2_alloc_handle include/linux/jbd2.h:1554 [inline] new_handle fs/jbd2/transaction.c:464 [inline] jbd2__journal_start+0x190/0x890 fs/jbd2/transaction.c:491 __ext4_journal_start_sb+0x214/0x430 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:328 [inline] ext4_iomap_alloc fs/ext4/inode.c:3469 [inline] ext4_iomap_begin+0x485/0x700 fs/ext4/inode.c:3541 iomap_apply+0x164/0x9e0 fs/iomap/apply.c:46 FAT-fs (loop5): count of clusters too big (16641790) FAT-fs (loop5): Can't find a valid FAT filesystem __iomap_dio_rw+0x6cd/0x11a0 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_write_iter fs/ext4/file.c:575 [inline] ext4_file_write_iter+0xb26/0x18e0 fs/ext4/file.c:685 call_write_iter include/linux/fs.h:1918 [inline] do_iter_readv_writev+0x476/0x750 fs/read_write.c:740 do_iter_write+0x191/0x670 fs/read_write.c:866 vfs_iter_write+0x70/0xa0 fs/read_write.c:907 iter_file_splice_write+0x762/0xc30 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x10f/0x170 fs/splice.c:933 splice_direct_to_actor+0x387/0x980 fs/splice.c:888 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x1040 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f99cb3e5b19 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:00007f99c895b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f99cb4f8f60 RCX: 00007f99cb3e5b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 RBP: 00007f99c895b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000007ffffff9 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdafdd079f R14: 00007f99c895b300 R15: 0000000000022000 FAT-fs (loop5): count of clusters too big (16641790) FAT-fs (loop5): Can't find a valid FAT filesystem ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W